plastic putty knife
Worth a lookShows searches that convert (18.7% search→purchase), but prices mostly outside the sweet spot ($2.95–$12.39) keeps it on the watch list.
Conversion
Incredible18.7%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Brand share
Good68%top-5 brand share — brands hold most of the demand
Growth
Good+38.2%90-day search growth — must beat 0% to launch
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,971.48avg incumbent reviews — the moat a new listing must climb
Market size
Okay$161K$161K/yr · 133K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Avg price
Bad$6.51avg listing price — sweet spot $15–$100
Price range
Bad$2.95–$12.39cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, plastic putty knife is a $161K/yr Amazon United States market (133K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in May–Jul. Verdict: Worth a look — 52/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
plastic putty knife market data
- Units sold / yr
- 25K–30K
- avg 1,000–1,250/product
- Revenue / yr
- $163K–$195K
- units × avg price
- Conversion rate
- 18.7%
- Avg BSR
- #101
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 76%
- Out of stock
- 0.0%
- Avg brand age
- 43 months
- Avg seller age
- 163 days
Competition & brand share
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.Brands
20 rising
Sellers
32
Top-5 brand share
68%
Top 20: 100%
Top-5 click share
58%
Top 20: 94%
Open market
26%
- Harniruco34%
- Fledomx13%
- Bates Choice8%
- Red Devil8%
- OXDFK6%
- THE SKrAPr6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +38.2% search growth over the last 90 days.Peak months: May, Jul · busiest ÷ quietest = 1.8×
Top plastic putty knife search terms
- plastic putty knife81K/yr
- plastic putty knife scraper17K/yr
- putty knife plastic10K/yr
- plastic putty knife set6K/yr
- plastic putty knives6K/yr
- plastic spatula scraper6K/yr
- plastic putty scraper3K/yr
- plastic spackle knife3K/yr
Top plastic putty knife 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
6 Pack Putty Knife Flexible Plastic Paint Scraper Tool for Spackling Putty Knife Set Spreader Spackle Tool Plastic Putty Knife Scraper Scraper Tool Putty Scraper
Harniruco$6.244.6★1,296 rev
Fledomx Plastic Putty Knife Set 2 4 6 Spackle Knives & Paint Scrapers
Fledomx$4.984.5★66 rev
3 Pcs Putty Knife Flexible Plastic Paint Scraper Tool for Spackling Spreader Spackle Putty Knife Scraper Tamale Spreader Tool 3-Pack: 1-1/2 3 6 3 Pcs Putty Knife
Harniruco$5.044.7★978 rev
6 PCS Plastic Putty Knife 2 Inch Black Flexible Putty Knife Scraper Used for Repairing Walls Pasting Plaster Scraping Putty Plastic Putty Knife Scraper
OXDFK$6.814.7★138 rev
Bates- Plastic Putty Knife Set 6 Pack Flexible Scrapers
Bates Choice$5.744.6★3,112 rev
Newest
by launch date
2 Inch Plastic Putty Knives Set 6Pcs Plastic Putty Filler Knife & Scrapers Tool Non Scratch Spackle Knife Scraper Tool for Wall Repair Wallpaper Paint Removal
WOQPHU$6.284 rev
MCSDFN 6 Pcs Plastic Putty Knife 2 Inch Black Putty Knife Scraper Flexible Putty Scraper Wall Scraper Plastic Paint Scraper Tool for Repairing Spackling Patching Plastering and Painting
MCSDFN$6.0214 rev
Plastic Putty Knife Set 3 Pack 2 4 6 Flexible Scrapers
NiuXTool$4.5013 rev
6 PCS Plastic Putty Knife Flexible Paint Scrapers Spackle Tool for Spackling Repairing Drywall Removing Wallpaper and Applying Plaster
YOLCAR$4.985 rev
Jiashuoda Plastic Putty Knife Set - 3Pcs Black Plastic Scraper Tool 1.5/3/6 Sizes Spackle Knife for Spackling Painting Drywall Arts and Crafts Tile Jobs Tamale Making
Jiashuoda$4.8422 rev
Trending
90-day click momentum2 Inch Plastic Putty Knives Set 6Pcs Plastic Putty Filler Knife & Scrapers Tool Non Scratch Spackle Knife Scraper Tool for Wall Repair Wallpaper Paint Removal
WOQPHU$6.284.7★
6 PCS Plastic Putty Knife Flexible Paint Scrapers Spackle Tool for Spackling Repairing Drywall Removing Wallpaper and Applying Plaster
YOLCAR$4.984.4★
Fledomx Plastic Putty Knife Set 2 4 6 Spackle Knives & Paint Scrapers
Fledomx$4.984.5★
MCSDFN 6 Pcs Plastic Putty Knife 2 Inch Black Putty Knife Scraper Flexible Putty Scraper Wall Scraper Plastic Paint Scraper Tool for Repairing Spackling Patching Plastering and Painting
MCSDFN$6.025.0★
Bates- Plastic Putty Knife Set 1.5 Inch 10 Pack Red Flexible Paint Scraper Tool for Spackling Spackle Tool Plastic Putty Knife Scraper Solvent Resistant
Bates Choice$6.434.6★
What buyers say about plastic putty knife
What buyers praise and complain about, mined from review topics.What buyers love
“Amazing quality”
“As pictured”
“Great value”
“Easy to use”
“Good size”
“not flimsy at all”
“Super easy to clean”
“Good selection and well built to last”
“works great”
“Can remove strong adhesive”
What buyers complain about
“Cheap cheap cheap”
“Broke on first use”
“Not very sturdy”
“they dont work”
“Blades not sharp”
“Getting tape off the wall”
“After waiting two weeks they are not that good at anything made out of plastic”
“Unfortunately, the one I received is hard as a rock with almost no flex at all”
“other inhouse kinds of maintenance”
“So other than the false item description”
Top return reasons
Common questions
- Is plastic putty knife profitable to sell on Amazon United States?
- The niche generates $161K/yr across 25 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is +38.2%. Flapen's verdict: Worth a look (52/100).
- How competitive is the plastic putty knife niche?
- 20 brands and 32 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 68% of demand.
- What do buyers complain about in plastic putty knife?
- Top complaints mined from reviews: Quality-Overall, Durability, Strength. The return rate is 0.8%.
- When does demand for plastic putty knife peak?
- Demand peaks in May–Jul; the busiest month runs 1.8× the quietest.
- What does it cost to enter the plastic putty knife niche?
- Listings span $2.95–$12.39; the average listing price is $6.51 (sweet spot $15–$100). The average incumbent carries 2,971 reviews — the moat a new listing must climb.