Is basin wrench profitable to sell on Amazon United States?

The niche generates $1.3M/yr across 36 tracked products. 2 of 9 products launched in the last 360 days are still selling. 90-day search growth is -48.4%. Flapen's verdict: Worth a look (63/100).

How competitive is the basin wrench niche?

27 brands and 107 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 48% of demand.

What do buyers complain about in basin wrench?

Top complaints mined from reviews: Size-Overall, Functionality-Overall, Quality-Overall. The return rate is 6.7% — above our launch gate.

When does demand for basin wrench peak?

Demand peaks in Feb–Mar; the busiest month runs 2.1× the quietest.

What does it cost to enter the basin wrench niche?

Listings span $6.67–$39.86; the average listing price is $16.27 (sweet spot $15–$100). The average incumbent carries 491 reviews — the moat a new listing must climb.

basin wrench

Worth a look

Shows beatable incumbent ratings (4.1★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Brand share

Great48%

top-5 brand share — no brand owns this niche

Conversion

Great9.5%

search→purchase rate — share of searches ending in a sale

Market size

Great$1.3M

$1.3M/yr · 850K searches

Avg price

Great$16.27

avg listing price — sweet spot $15–$100

Review moat

Great491.33

avg incumbent reviews — the moat a new listing must climb

Price range

Great$6.67–$39.86

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Good42%

top-5 click share — leaders hold, buyers still browse

Returns

Bad6.7%

return rate — above 5% kills the launch gate

Growth

Bad-48.4%

90-day search growth — must beat 0% to launch

Signals No Dominant Brand High Returns

According to Flapen's Amazon United States niche tracking, basin wrench is a $1.3M/yr Amazon United States market (850K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Feb–Mar. Verdict: Worth a look — 63/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

basin wrench market data

Units sold / yr: 60K–80K; avg 1,500–2,000/product
Revenue / yr: $976K–$1.3M; units × avg price
Conversion rate: 9.5%
Avg BSR: #368
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 4.4%
Avg brand age: 35 months
Avg seller age: 169 days

Competition & brand share

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

Brands

27 rising

Sellers

107

Top-5 brand share

48%

Top 20: 94%

Top-5 click share

42%

Top 20: 84%

Open market

46%

DURATECH16%
ELEGICKLIP11%
RIDGID8%
KITCHENASSIST7%
KLEIN TOOLS7%
GRENPRO5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -48.4% search growth over the last 90 days.

Peak months: Feb, Mar · busiest ÷ quietest = 2.1×

Open Trend

Top basin wrench search terms

basin wrench238K/yr -5.4%6.3% conv.
faucet wrench122K/yr -23.8%6.7% conv.
sink wrench114K/yr -75.4%7.3% conv.
basin wrench sink faucet wrench tight spaces28K/yr +1.7%8.7% conv.
faucet tool31K/yr -26.2%6.3% conv.
faucet wrench tool26K/yr -15.9%5.7% conv.
sink wrench faucet tool50K/yr -70.8%8.5% conv.
under sink wrench faucet tool28K/yr -43.5%6.6% conv.
sink tool17K/yr -33.4%6.3% conv.
faucet removal tool16K/yr -17.4%5.1% conv.

All search terms

Top basin wrench 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

DURATECH 11 Basin Wrench Sink Wrench Adjustable Tap Nut Spanner Basin Spanner Capacity of 3/8 to 1-1/4 for Fixing Back and Union Nuts Under Sink

DURATECH$14.584.4★2,046 rev

ELEGICKLIP 14-in-1 Multi-functional Wrench Faucet Sink Installer Tool for Toilets and Kitchens - Red Plumbers Wrench

ELEGICKLIP$9.843.8★406 rev

RIDGID 57003 EZ Change Plumbing Wrench Faucet Installation and Removal Tool

RIDGID$26.184.5★5,558 rev

2pcs Basin Wrench Multifunctional Sink Wrench 7 Sizes Faucet Tool Four-jaw Hex Spanner Universal Plumbers Tool for Tight Spaces Kitchen Bathroom Home

KITCHENASSIST$8.883.9★589 rev

GRENPRO 11 Basin Wrench Sink Wrench Faucet Tool for Tight Spaces Adjustable Tap Nut Plumbing Spanner for Professional Plumber Capacity of 3/8 to 1-1/4 Faucet Wrenches for Undermount Sink

GRENPRO$14.104.2★220 rev

Newest

by launch date

ZXLXLGC 2026 Upgraded Multifunctional Sink Wrench 2-Pack Plumbing Tools for Tight Spaces Faucet & Basin Installation for Kitchen Bathroom

ZXLXLGC$11.5226 rev

4mo ago

CRAFTZONE 11 Basin Wrench Sink Wrench Adjustable Tap Nut Spanner Basin Spanner for Plumber Capacity of 3/8 to 1-1/4 for Under Sink

CRAFTZONE$14.4637 rev

7mo ago

14-in-1 Multi-Functional Plumbing Wrench Fit Common Plumbing Fixtures

Ferropeak$13.9058 rev

8mo ago

Alocre 8 in-1 Multifunctional Sink & Faucet Installer Wrench - Plumbing Tool for Bathroom/Kitchen Toilet Pipe Repair & Installation (Red)

Alocre$6.67244 rev

12mo ago

senylanhxy 14-in-1 Multi-functional Wrench Faucet Sink Installer Tool Multifunctional Sink Installer Plumbing Tool for Pipes Wrench under Bathrooms Toilets Kitchens Sinks

senylanhxy$9.60143 rev

1y ago

What buyers say about basin wrench

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

What buyers love

Ease Of Use22%

“This is one of those simple tools that ends up being really handy to have around”

Quality-Overall15%

“Excellent product”

Value For Money10%

“Excellent value”

Advertised Vs Actual Product10%

“Just as advertised”

Size-Overall5%

“Nice fit”

Grip5%

“The grip feels comfortable”

Strength4%

“Very sturdy”

Design-Overall4%

“GOOD construction”

Functionality-Overall2%

“This seems sufficient for the tasks that I've tried”

Maintenance And Repair2%

“Very useful for DIY repairs”

What buyers complain about

Size-Overall19%

“Didnt fit”

Functionality-Overall12%

“it was non functional”

Quality-Overall11%

“Quality control is completely missing”

Strength9%

“Kind of flimsy”

Grip7%

“no Grip”

Material Quality5%

“Cheap material”

Ease Of Use5%

“Difficult to use”

Durability4%

“Broke on first use”

Instructions/User Manual/Troubleshooting4%

“Missing Instructions”

Value For Money2%

“It's more expensive than most”

Top return reasons

Size-Overall50%

Functionality-Overall14%

Advertised Vs Actual Product6%

Defective Material/Parts5%

Compatibility-Overall5%

Grip4%

Mechanism Issues2%

Strength2%