---
title: "locking pin — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/locking-pin"
last_updated: "2026-07-09T23:40:54.803Z"
locale: en
meta:
  description: "a small market ($57K/yr) — locking pin doesn't clear our bar today."
  "og:description": "a small market ($57K/yr) — locking pin doesn't clear our bar today."
  "og:title": "locking pin — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **locking pin**

**Skip it****45/100 **

a small market ($57K/yr) — locking pin doesn't clear our bar today.

**Market/yr**

**$57K**

**Growth (1y)**

**+150.1%**

**Products**

**29**

**Brands**

**23**

was 30 a year ago

**Sellers**

**30**

**Price range**

**$3.32–$36.45**

**Returns**

**1.0%**

**Rating**

**4.7★**

**Skip it**

Scored 45/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**3**

 ×0.30

Growth

**71**

 ×0.30

Competition

**60**

 ×0.20

Quality gap

**20**

 ×0.10

Returns

**92**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 104 weeks — +150.1% year over year.

3K1KSpike '25Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

No pronounced peak months · busiest ÷ quietest = 1.7×

## **Competition**

- NRJSSCC17% - VTurboWay15% - Aurdeayi8% - PINAILER8% - Eoppen7% - ZOROLE7% - Other (17 brands)38%

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them. 23 brands and 30 sellers compete here.

**Brands**

**23 **▼falling

was 30 a year ago

**Sellers**

**30**

**Top 5 brand share**

**55%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel](https://m.media-amazon.com/images/I/51Fpa4jZN5L.jpg) [**10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel**](https://www.amazon.com/dp/B0G1HKT51S)

NRJSSCC$5.584.8★7417%▲rising

2
![2 Pack Quick Release Pin Diameter 1/4(6.3mm) Overall Length 3(76mm) Usable Length 2.4(61mm) Full 316 Stainless Steel Bimini Top Pin Marine Hardware](https://m.media-amazon.com/images/I/41oh79Atb+L.jpg) [**2 Pack Quick Release Pin Diameter 1/4(6.3mm) Overall Length 3(76mm) Usable Length 2.4(61mm) Full 316 Stainless Steel Bimini Top Pin Marine Hardware**](https://www.amazon.com/dp/B07N1JG3L2)

VTurboWay$6.694.4★87711%▼falling

3
![Aurdeayi 8PC Trailer Hitch Pin Standard 1/4 Inch Hitch Pins Strong Trailer Coupler Pin Safety Lock Easy Hook Up Locking Retainer Perfect for Tractor RV Farm Yard Equipment](https://m.media-amazon.com/images/I/41cGC2oBZ7L.jpg) [**Aurdeayi 8PC Trailer Hitch Pin Standard 1/4 Inch Hitch Pins Strong Trailer Coupler Pin Safety Lock Easy Hook Up Locking Retainer Perfect for Tractor RV Farm Yard Equipment**](https://www.amazon.com/dp/B0G1RJ2X98)

Aurdeayi$5.594.8★998%▲rising

4
![Eoppen 220Pcs Cotter Pin Assortment Kit - 304 Stainless Steel 13 Sizes Cotter Pins & R Clips Cotter Pin Set for Hitch Pin Lock Systems](https://m.media-amazon.com/images/I/51k4T1BQ5PL.jpg) [**Eoppen 220Pcs Cotter Pin Assortment Kit - 304 Stainless Steel 13 Sizes Cotter Pins & R Clips Cotter Pin Set for Hitch Pin Lock Systems**](https://www.amazon.com/dp/B0D6TWZDZR)

Eoppen$8.554.7★9937%—flat

5
![10 PCS Square Pto Pin Shaft Locking Pin 1/4 pin Hitch pin Wire Lock Pin Safety Coupler Pin 1/4 x 2-3/4for PTO Farm Lawn Hitches and Garden (10 PCS Trailer Pins)](https://m.media-amazon.com/images/I/51rXXX-Q0AL.jpg) [**10 PCS Square Pto Pin Shaft Locking Pin 1/4 pin Hitch pin Wire Lock Pin Safety Coupler Pin 1/4 x 2-3/4for PTO Farm Lawn Hitches and Garden (10 PCS Trailer Pins)**](https://www.amazon.com/dp/B07VF61LB1)

Comonc$8.794.8★1,6887%▼falling

6
![Wire Lock Pin Trailer Coupler Pin Hitch pin 1/4 Inch 10 Pieces Square Gold](https://m.media-amazon.com/images/I/51qeLzO6WvS.jpg) [**Wire Lock Pin Trailer Coupler Pin Hitch pin 1/4 Inch 10 Pieces Square Gold**](https://www.amazon.com/dp/B09681NMKM)

ZOROLE$9.794.8★2316%▲rising

7
![SuperMMarK 12-Count 1/4 Inch Heavy Duty Zinc-Plated Carbon Steel Spring Locking Pins for Farm Trailers Lawn Garden](https://m.media-amazon.com/images/I/51no3MQPXhL.jpg) [**SuperMMarK 12-Count 1/4 Inch Heavy Duty Zinc-Plated Carbon Steel Spring Locking Pins for Farm Trailers Lawn Garden**](https://www.amazon.com/dp/B08QMQLL5N)

SuperMMarK$7.494.7★7163%▼falling

8
![Pinailer Pack of 10 Trailer Pins 2-3/4 x 1/4 (L x W) Featuring Trailer Hitch Pins Shaft Locking Coupler Pins PTO Pins and Lock Pins for Farm Trailers Towing Lawn Equipment and Hitches](https://m.media-amazon.com/images/I/51TOwhvKhkL.jpg) [**Pinailer Pack of 10 Trailer Pins 2-3/4 x 1/4 (L x W) Featuring Trailer Hitch Pins Shaft Locking Coupler Pins PTO Pins and Lock Pins for Farm Trailers Towing Lawn Equipment and Hitches**](https://www.amazon.com/dp/B09WXQL6CM)

PINAILER$9.234.8★4413%▼falling

9
![30 Pieces Metal Pin Backs Locking Pin Keepers Locking Clasp](https://m.media-amazon.com/images/I/51ndUkpSGVL.jpg) [**30 Pieces Metal Pin Backs Locking Pin Keepers Locking Clasp**](https://www.amazon.com/dp/B07VH4JMMQ)

DECYOOL$6.734.7★10,5323%▼falling

10

![Pinailer Pack of 10 Trailer Pin 2-3/4 x 1/4 (L x W) Featuring PTO Pins Lock Pins Trailer Hitch Pins and Shaft Locking Coupler Pins for Farm Trailers Towing Lawn Equipment and Hitches](https://m.media-amazon.com/images/I/51jhCSsDQIL.jpg) [**Pinailer Pack of 10 Trailer Pin 2-3/4 x 1/4 (L x W) Featuring PTO Pins Lock Pins Trailer Hitch Pins and Shaft Locking Coupler Pins for Farm Trailers Towing Lawn Equipment and Hitches**](https://www.amazon.com/dp/B09CLRW2C3)

PINAILER$9.184.8★7443%—flat

11

![4 Pcs Quick Release Pin Diameter 1/4 Usable Length 1-1/2 Overall Length 2 Full 316 Stainless Steel Bimini Top Pin Marine Hardware](https://m.media-amazon.com/images/I/41kK1SFgN+L.jpg) [**4 Pcs Quick Release Pin Diameter 1/4 Usable Length 1-1/2 Overall Length 2 Full 316 Stainless Steel Bimini Top Pin Marine Hardware**](https://www.amazon.com/dp/B07TJCS7YW)

VTurboWay$9.094.6★4483%▲rising

12

![202PCS Hitch Pins Clip Pins Linch and PTO Pins for Trailers Tractors Trucks Towing Mowing Farm Equipment Snow Plows Lawnmowers Garage Heavy Duty Trailers Accessories Tractor Attachments](https://m.media-amazon.com/images/I/51jNsohLiRL.jpg) [**202PCS Hitch Pins Clip Pins Linch and PTO Pins for Trailers Tractors Trucks Towing Mowing Farm Equipment Snow Plows Lawnmowers Garage Heavy Duty Trailers Accessories Tractor Attachments**](https://www.amazon.com/dp/B0CB84V5PF)

Easily$36.454.7★4543%—flat

13

![472795 014973472795 Clevis Pin 1/4X 2-1/2 inches / Matching R- Clip](https://m.media-amazon.com/images/I/31JoutCZqeL.jpg) [**472795 014973472795 Clevis Pin 1/4X 2-1/2 inches / Matching R- Clip**](https://www.amazon.com/dp/B0B6V4MLHC)

Bopurtotly$7.214.7★1003%▲rising

14

![YIQQPLOS 2 Pack Premium Safety Coupler Pin 1/4 x 3.15(6.3mm x 80mm) High-Quality Trailer Pin Pto Pin Shaft Locking Pin Square Wire Lock Pin for Farm Trailers Towing Lawn](https://m.media-amazon.com/images/I/31RQXnT5INL.jpg) [**YIQQPLOS 2 Pack Premium Safety Coupler Pin 1/4 x 3.15(6.3mm x 80mm) High-Quality Trailer Pin Pto Pin Shaft Locking Pin Square Wire Lock Pin for Farm Trailers Towing Lawn**](https://www.amazon.com/dp/B0DHCSPYF1)

yiqqplos$4.174.7★3033%▼falling

15

![YOLMOOAT 2Pcs Premium Square Trailer Pin 1/4 x 4(6.3mm x 100mm) Trailer Coupler Pin Upgrade Hitch Pins Trailer Hitch Pin for Farm Trailers Towing Lawn](https://m.media-amazon.com/images/I/31RQXnT5INL.jpg) [**YOLMOOAT 2Pcs Premium Square Trailer Pin 1/4 x 4(6.3mm x 100mm) Trailer Coupler Pin Upgrade Hitch Pins Trailer Hitch Pin for Farm Trailers Towing Lawn**](https://www.amazon.com/dp/B0DPKCMXRG)

yolmooat$4.734.7★1752%▼falling

**~~Showing 15 of 29 — show all ~~**

## **Product shelf**

All 29 tracked products in this niche.

Top sellersNewestTrending

[![10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel](https://m.media-amazon.com/images/I/51Fpa4jZN5L.jpg)**10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel** NRJSSCC**$5.58**4.8★74 reviews](https://www.amazon.com/dp/B0G1HKT51S) [![2 Pack Quick Release Pin Diameter 1/4(6.3mm) Overall Length 3(76mm) Usable Length 2.4(61mm) Full 316 Stainless Steel Bimini Top Pin Marine Hardware](https://m.media-amazon.com/images/I/41oh79Atb+L.jpg)**2 Pack Quick Release Pin Diameter 1/4(6.3mm) Overall Length 3(76mm) Usable Length 2.4(61mm) Full 316 Stainless Steel Bimini Top Pin Marine Hardware** VTurboWay**$6.69**4.4★877 reviews](https://www.amazon.com/dp/B07N1JG3L2) [![Aurdeayi 8PC Trailer Hitch Pin Standard 1/4 Inch Hitch Pins Strong Trailer Coupler Pin Safety Lock Easy Hook Up Locking Retainer Perfect for Tractor RV Farm Yard Equipment](https://m.media-amazon.com/images/I/41cGC2oBZ7L.jpg)**Aurdeayi 8PC Trailer Hitch Pin Standard 1/4 Inch Hitch Pins Strong Trailer Coupler Pin Safety Lock Easy Hook Up Locking Retainer Perfect for Tractor RV Farm Yard Equipment** Aurdeayi**$5.59**4.8★99 reviews](https://www.amazon.com/dp/B0G1RJ2X98) [![Eoppen 220Pcs Cotter Pin Assortment Kit - 304 Stainless Steel 13 Sizes Cotter Pins & R Clips Cotter Pin Set for Hitch Pin Lock Systems](https://m.media-amazon.com/images/I/51k4T1BQ5PL.jpg)**Eoppen 220Pcs Cotter Pin Assortment Kit - 304 Stainless Steel 13 Sizes Cotter Pins & R Clips Cotter Pin Set for Hitch Pin Lock Systems** Eoppen**$8.55**4.7★993 reviews](https://www.amazon.com/dp/B0D6TWZDZR) [![10 PCS Square Pto Pin Shaft Locking Pin 1/4 pin Hitch pin Wire Lock Pin Safety Coupler Pin 1/4 x 2-3/4for PTO Farm Lawn Hitches and Garden (10 PCS Trailer Pins)](https://m.media-amazon.com/images/I/51rXXX-Q0AL.jpg)**10 PCS Square Pto Pin Shaft Locking Pin 1/4 pin Hitch pin Wire Lock Pin Safety Coupler Pin 1/4 x 2-3/4for PTO Farm Lawn Hitches and Garden (10 PCS Trailer Pins)** Comonc**$8.79**4.8★1,688 reviews](https://www.amazon.com/dp/B07VF61LB1) [![Wire Lock Pin Trailer Coupler Pin Hitch pin 1/4 Inch 10 Pieces Square Gold](https://m.media-amazon.com/images/I/51qeLzO6WvS.jpg)**Wire Lock Pin Trailer Coupler Pin Hitch pin 1/4 Inch 10 Pieces Square Gold** ZOROLE**$9.79**4.8★231 reviews](https://www.amazon.com/dp/B09681NMKM) [![SuperMMarK 12-Count 1/4 Inch Heavy Duty Zinc-Plated Carbon Steel Spring Locking Pins for Farm Trailers Lawn Garden](https://m.media-amazon.com/images/I/51no3MQPXhL.jpg)**SuperMMarK 12-Count 1/4 Inch Heavy Duty Zinc-Plated Carbon Steel Spring Locking Pins for Farm Trailers Lawn Garden** SuperMMarK**$7.49**4.7★716 reviews](https://www.amazon.com/dp/B08QMQLL5N) [![Pinailer Pack of 10 Trailer Pins 2-3/4 x 1/4 (L x W) Featuring Trailer Hitch Pins Shaft Locking Coupler Pins PTO Pins and Lock Pins for Farm Trailers Towing Lawn Equipment and Hitches](https://m.media-amazon.com/images/I/51TOwhvKhkL.jpg)**Pinailer Pack of 10 Trailer Pins 2-3/4 x 1/4 (L x W) Featuring Trailer Hitch Pins Shaft Locking Coupler Pins PTO Pins and Lock Pins for Farm Trailers Towing Lawn Equipment and Hitches** PINAILER**$9.23**4.8★441 reviews](https://www.amazon.com/dp/B09WXQL6CM)

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**21%

*“Great quality and arrived on time”*

**Value For Money**16%

*“Great value for the money”*

**Ease Of Use**11%

*“Easy to use”*

**Advertised Vs Actual Product**10%

*“As advertised”*

**Locking Mechanism**7%

*“They have good locking feature to keep from falling off”*

**Size-Overall**7%

*“Great fit”*

**Strength**7%

*“Works great and holds strong”*

**Durability**5%

*“Nice durable easy to use”*

**Efficiency**4%

*“Works great”*

**Security**1%

*“So far theyve stayed secure and feel sturdy”*

### **What buyers complain about **

**Durability**14%

*“Immediately broken”*

**Ease Of Use**12%

*“They were VERY hard to connect”*

**Quality-Overall**10%

*“These are bad quality and super defective”*

**Size-Overall**8%

*“they did not fit my boat trailer”*

**Locking Mechanism**8%

*“The top of the locking mechanism popped off of every one as soon as I used them”*

**Advertised Vs Actual Product**7%

*“Not as shown in the photos”*

**Strength**6%

*“Some even break off the pin part because they're so strong”*

**Material Quality**3%

*“Cheap material and quality”*

**Thickness**2%

*“Down side: If the material the pin passes through is too thick”*

**Functionality-Overall**2%

*“It does not work”*

#### **Top return reasons**- Size-Overall71% - Functionality-Overall5% - Advertised Vs Actual Product4% - Locking Mechanism3% - Defective Material/Parts3% - Value For Money2% - Magnetic Strength/Adsorption2% - Mechanism Issues2% - Thin2% - Thickness1%