---
title: "105 Trimmer Line — $186K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/105-trimmer-line"
last_updated: "2026-08-08T01:48:10.603Z"
locale: en
meta:
description: "Niche score 59/100 · $186K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 59/100 · $186K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "105 Trimmer Line — $186K/yr Amazon US Niche (2026) - Flapen"
---
# **105 trimmer line**
**Worth a look**
Shows demand growing +253.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 37Growth 99Conversion 75Competition 23Returns 96Price range 95Avg price 95Brand share 10Review moat 67Quality gap 38
**Growth**
**Incredible****+253.6%**
90-day search growth — must beat 0% to launch
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$36.20**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$15.67–$61.05**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****7.0%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****814.08**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$186K**
$186K/yr · 74K searches
**Competition**
**Bad****73%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****96%**
top-5 brand share — brand-locked demand
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United States niche tracking, 105 trimmer line is a $186K/yr Amazon United States market (74K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 59/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **105 trimmer line market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **$181K–$217K**
- units × avg price
- **Conversion rate**
- **7.0%**
- **Avg BSR**
- **#113**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **85%**
- **Out of stock**
- **6.3%**
- **Avg brand age**
- **76 months**
- **Avg seller age**
- **140 days**
## **Competition & brand share**
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**34**
**Top-5 brand share**
**96%**
Top 20: 100%
**Top-5 click share**
**73%**
Top 20: 100%
**Open market**
**2%**
- A ANLEOLIFE42% - COSY GARDEN TOOLS30% - KAKO17% - efrozen6% - VIABRICO3% - ECHO2% - Open — no brand owns it (1 brand, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +253.6% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 15.4×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/105-trimmer-line/trend)
## **Top 105 trimmer line search terms**
- **105 trimmer line**26K/yr+239.4%1.8% conv. - **trimmer line .105**14K/yr+204.5%1.2% conv. - **105 trimmer line heavy duty**12K/yr+441.7%1.8% conv. - **weed eater string .105**8K/yr+223.2%2.0% conv. - **105 weed eater string**4K/yr+297.5%1.6% conv. - **string trimmer line .105**3K/yr+167.9%0.7% conv. - **.105 trimmer line**3K/yr+226.0%1.7% conv. - **weedeater string .105 heavy duty**3K/yr+476.9%1.5% conv. - **trimmer string .105**2K/yr+178.5%3.0% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/105-trimmer-line/search-terms)
## **Top 105 trimmer line products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$19K20%$37K30%$56K40%$74K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**COSY GARDEN TOOLS .105 String Trimmer Line Commercial Grade Orange Pentagon Weed Eater String Premium Nylon Universal 0.105 Diameter x 328**COSY GARDEN TOOLS**$15.67**4.5★1,238 rev](https://www.amazon.com/dp/B09YT7CWQP) [2**A ANLEOLIFE 3-Pound ZT3 Pro Heavy Duty Diamond .105-Inch-by-846-ft Twisted Trimmer Line Spool 3-Component Tri-Extrusion 2.65-mm-by-258-meter Weed Eater String**A ANLEOLIFE**$45.41**4.3★335 rev](https://www.amazon.com/dp/B0D7VNSTJC) [3**KAKO 105 Trimmer Line Weed Eater String .105 Weed Wacker String .105 Square String Trimmer Line .105 Inch-628 Ft-3 Lb Commercial Nylon Trimmer String.105 Fits Most String Trimmers(Square)**KAKO**$26.61**4.6★726 rev](https://www.amazon.com/dp/B0BPDRCCHN) [4**Anleolife .105 Commercial Square Heavy Duty Trimmer Line 1038 ft 5 lb**A ANLEOLIFE**$35.68**4.7★400 rev](https://www.amazon.com/dp/B078JNM2TY) [5**Anleolife .105 Heavy Duty Dual-Core Trimmer Line Tough Weeds 1038ft 5 lb**A ANLEOLIFE**$39.94**4.6★477 rev](https://www.amazon.com/dp/B078JBXZMP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**VIABRICO .105 Weed Eater String Square Orange Heavy Duty String Trimmer Line Weed Wacker String Universal Commercial Grade Premium Nylon Weedeater Line 0.105 x 5LB 1069Foot**VIABRICO**$32.54**5,003 rev1y ago](https://www.amazon.com/dp/B0F2N98B2J) [**A ANLEOLIFE 3-Pound ZT3 Pro Heavy Duty Diamond .105-Inch-by-846-ft Twisted Trimmer Line Spool 3-Component Tri-Extrusion 2.65-mm-by-258-meter Weed Eater String**A ANLEOLIFE**$45.41**335 rev2y ago](https://www.amazon.com/dp/B0D7VNSTJC) [**A ANLEOLIFE 5-Pound ZT3 Pro Heavy Duty Diamond .105-Inch-by-1410-ft Twisted Trimmer Line Spool 3-Component Tri-Extrusion 2.65-mm-by-430-meter Weed Eater String**A ANLEOLIFE**$50.05**335 rev2y ago](https://www.amazon.com/dp/B0D7VPRF2P) [**A ANLEOLIFE 1-Pound ZT3 Pro Heavy Duty Diamond .105-Inch-by-282-ft Twisted Trimmer Line Donut 3-Component Tri-Extrusion 2.65-mm-by-86-meter Weed Eater String**A ANLEOLIFE**$21.21**335 rev2y ago](https://www.amazon.com/dp/B0D7VP9NYK) [**Efrozen Weed Eater String Commercial Square Twist .105 Diameter x 302 String Trimmer Line in Spool Premium Nylon Universal Replacement Weed Wacker String Orange**efrozen**$19.76**606 rev2y ago](https://www.amazon.com/dp/B0CQ7D2FXY)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**VIABRICO .105 Weed Eater String Square Orange Heavy Duty String Trimmer Line Weed Wacker String Universal Commercial Grade Premium Nylon Weedeater Line 0.105 x 5LB 1069Foot**VIABRICO**$32.54**4.5★**▲ 66%**](https://www.amazon.com/dp/B0F2N98B2J) [**KAKO 105 Trimmer Line Weed Eater String .105 Weed Wacker String .105 Square String Trimmer Line .105 Inch-1038 Ft-5 Lb Commercial Nylon Trimmer String.105 Fits Most String Trimmers(Square)**KAKO**$35.92**4.6★**▲ 46%**](https://www.amazon.com/dp/B0BPF57HCH) [**Anleolife .105 Commercial Square Heavy Duty Trimmer Line 1038 ft 5 lb**A ANLEOLIFE**$35.68**4.7★**▲ 20%**](https://www.amazon.com/dp/B078JNM2TY) [**A ANLEOLIFE 3-Pound ZT3 Pro Heavy Duty Diamond .105-Inch-by-846-ft Twisted Trimmer Line Spool 3-Component Tri-Extrusion 2.65-mm-by-258-meter Weed Eater String**A ANLEOLIFE**$45.41**4.3★**▲ 19%**](https://www.amazon.com/dp/B0D7VNSTJC) [**Traverse Creek Incorporated Genuine Echo Black Diamond LINE .105 3LB Spool 708FT 330105073**Traverse Creek Incorporated**$61.05**4.7★**▲ 17%**](https://www.amazon.com/dp/B0CKNVBJT2)
**~~View all trending →~~**
## **What buyers say about 105 trimmer line**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Durability**21%
*“Durable and sharp”*
**Strength**16%
*“Very strong”*
**Cutting/Trimming**16%
*“It cuts well”*
**Quality-Overall**12%
*“Appears to be good quality”*
**Advertised Vs Actual Product**8%
*“this arrived as expected”*
**Value For Money**8%
*“Great product for the price”*
**Design-Overall**4%
*“Decent design good for light grass”*
**Thickness**2%
*“also good thickness”*
**Heating**2%
*“After a full summer of human heat it well over 100°”*
**Ease Of Use**1%
*“easy to use”*
### **What buyers complain about **
**Durability**20%
*“Breaks easy doesn't last”*
**Thickness**15%
*“Although it is a little on the thick side”*
**Strength**15%
*“It is fragile and had to change it out about every 10' I would return it but, already opened it and used some”*
**Cutting/Trimming**10%
*“Worst line for trimmers”*
**Adhesion/Stickiness**5%
*“sticky like the other stuff did”*
**Quality-Overall**5%
*“Straight garbage”*
**Hard Feel**3%
*“I cannot believe how tough it is”*
**Value For Money**3%
*“just buy the more expensive”*
**Advertised Vs Actual Product**3%
*“Not true”*
**Size-Overall**3%
*“And the diameter is not correct”*
### **Top return reasons **
**Size-Overall**61%
**Advertised Vs Actual Product**10%
**Thin**6%
**Thickness**4%
**Strength**4%
**Quality-Overall**3%
**Value For Money**3%
**Durability**3%
**Cutting/Trimming**2%
**Functionality-Overall**2%
## **Common questions**
- **Is 105 trimmer line profitable to sell on Amazon United States?**
- The niche generates $186K/yr across 13 tracked products. 90-day search growth is +253.6%. Flapen's verdict: Worth a look (59/100).
- **How competitive is the 105 trimmer line niche?**
- 7 brands and 34 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 96% of demand.
- **What do buyers complain about in 105 trimmer line?**
- Top complaints mined from reviews: Durability, Thickness, Strength. The return rate is 0.8%.
- **When does demand for 105 trimmer line peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 15.4× the quietest.
- **What does it cost to enter the 105 trimmer line niche?**
- Listings span $15.67–$61.05; the average listing price is $36.20 (sweet spot $15–$100). The average incumbent carries 814 reviews — the moat a new listing must climb.
## **Related niches in Patio, Lawn & Garden**
- 82 [**lawn aerator**](https://flapen.com/research/us/patio-lawn-garden/lawn-aerator)$6.2M/yr+90.1%**Launch it**- 82 [**shepherds hooks for outdoor**](https://flapen.com/research/us/patio-lawn-garden/shepherds-hooks-for-outdoor)$3.9M/yr+141.2%**Launch it**- 82 [**garden mesh**](https://flapen.com/research/us/patio-lawn-garden/garden-mesh)$716K/yr+152.7%**Worth a look**- 83 [**chicken waterer**](https://flapen.com/research/us/patio-lawn-garden/chicken-waterer)$3.4M/yr+70.1%**Launch it**- 83 [**75 foot garden hose**](https://flapen.com/research/us/patio-lawn-garden/75-foot-garden-hose)$1.8M/yr+117.6%**Launch it**- 83 [**bird deterrents for outside**](https://flapen.com/research/us/patio-lawn-garden/bird-deterrents-for-outside)$2.1M/yr+131.5%**Launch it**[**All Patio, Lawn & Garden niches **](https://flapen.com/research/us/patio-lawn-garden)