16mm wrench
Skip itA small market ($52K/yr) — this niche doesn't clear our bar today.
Conversion
Incredible14.9%search→purchase rate — share of searches ending in a sale
Returns
Good2.1%return rate — above 5% kills the launch gate
Brand share
Good63%top-5 brand share — brands hold most of the demand
Review moat
Good1,263.79avg incumbent reviews — the moat a new listing must climb
Price range
Good$4.13–$25.87cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Avg price
Okay$11.14avg listing price — sweet spot $15–$100
Growth
Okay+6.5%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$52K$52K/yr · 32K searches
According to Flapen's Amazon United States niche tracking, 16mm wrench is a $52K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 63% of demand. Verdict: Skip it — 47/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
16mm wrench market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- $56K–$67K
- units × avg price
- Conversion rate
- 14.9%
- Avg BSR
- #107
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 46%
- Out of stock
- 11.2%
- Avg brand age
- 59 months
- Avg seller age
- 163 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
48
Top-5 brand share
63%
Top 20: 100%
Top-5 click share
57%
Top 20: 96%
Open market
29%
- Egofine16%
- HARSKIYER16%
- COYAGRIP12%
- FLZOSPER9%
- DURATECH9%
- Jetech8%
Demand
Weekly Amazon search volume, last 11 weeks — +6.5% search growth over the last 90 days.Top 16mm wrench search terms
- 16mm wrench17K/yr
- 16 mm wrench7K/yr
- 16mm ratcheting wrench4K/yr
- 16mm ratchet wrench3K/yr
Top 16mm 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Egofine 16mm Ratcheting Combination Wrench Metric Industrial Grade Gear Spanner with 12-Point Design 72-Tooth Ratchet Chrome Vanadium Steel
Egofine$8.284.6★88 rev
HARSKIYER 16mm Flex Head Ratchet Wrench 12 Point Chrome Vanadium Spanner
HARSKIYER$7.854.8★365 rev
COYAGRIP 16mm Wrench Industrial Grade Spanner Combination Wrenches Metric with 12-Point Box End 15-Degree Offset 16mm Wrenches Chrome Vanadium Steel Mirror Polished
COYAGRIP$7.824.7★260 rev
FLZOSPER 16mm Metric Wrench 12-Point Box End Head Combination Wrench Spanner
FLZOSPER$6.694.8★620 rev
DURATECH 16mm Combination Wrench Metric
DURATECH$8.724.8★37 rev
Newest
by launch date
SUZUME 16mm Flex Head Ratcheting Wrench Metric 72 Teeth Cr-V Steel 15K+ Cycle Locked Gears with 180 Flexible Head Black Nickel Coating
SUZUME$11.90160 rev
BLACK CANYON 19mm Combination Wrench 12-Point Box End & Hex Opening (16 mm)
BLACK CANYON$4.1321 rev
pgroup 16mm Metric Combination Wrench CR-V Steel with Mirror Polish 12-Point Design 15-Degree Offset Perfect for Auto Repair Household Car & Truck Emergency
pgroup$6.49127 rev
COYAGRIP 16mm Wrench Industrial Grade Spanner Combination Wrenches Metric with 12-Point Box End 15-Degree Offset 16mm Wrenches Chrome Vanadium Steel Mirror Polished
COYAGRIP$7.82260 rev
Egofine 16mm Ratcheting Combination Wrench Metric Industrial Grade Gear Spanner with 12-Point Design 72-Tooth Ratchet Chrome Vanadium Steel
Egofine$8.2888 rev
Trending
90-day click momentumBLACK CANYON 19mm Combination Wrench 12-Point Box End & Hex Opening (16 mm)
BLACK CANYON$4.134.6★
Jetech 16mm Ratchet Wrench Ratcheting Combination Wrench Metric Industrial Grade Gear Spanner with 12-Point Design 72-Tooth Ratchet Chrome Vanadium Steel for Auto & DIY Repair
Jetech$8.524.7★
Sunex 991716MA 16 mm Fully Polished V-Groove Combination Wrench CRV
Sunex Tools$8.004.7★
SUZUME 16mm Flex Head Ratcheting Wrench Metric 72 Teeth Cr-V Steel 15K+ Cycle Locked Gears with 180 Flexible Head Black Nickel Coating
SUZUME$11.904.8★
GEARWRENCH 90T 16mm Reversible Ratcheting Combination Wrench - 86616
GEARWRENCH$25.874.7★
What buyers say about 16mm wrench
What buyers praise and complain about, mined from review topics.What buyers love
“Seem well built”
“Are very durable”
“Excellent for the money”
“easy to use”
“fits my set”
“I recommend it, good material, I loved this product”
“It works perfectly”
“fell so good in your hands when you are using them”
“Gets the job done”
“folds for easy storage in the garage”
What buyers complain about
“It's stripped the second time”
“Loose fit”
“much lighter then we thought”
Top return reasons
Common questions
- Is 16mm wrench profitable to sell on Amazon United States?
- The niche generates $52K/yr across 24 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +6.5%. Flapen's verdict: Skip it (47/100).
- How competitive is the 16mm wrench niche?
- 17 brands and 48 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 63% of demand.
- What do buyers complain about in 16mm wrench?
- Top complaints mined from reviews: Durability, Size-Overall, Weight Light. The return rate is 2.1%.
- What does it cost to enter the 16mm wrench niche?
- Listings span $4.13–$25.87; the average listing price is $11.14 (sweet spot $15–$100). The average incumbent carries 1,264 reviews — the moat a new listing must climb.