pen knife
Worth a lookShows low returns (1.0%), but soft demand (-15.4% this quarter) keeps it on the watch list.
Returns
Great1.0%return rate — above 5% kills the launch gate
Brand share
Great41%top-5 brand share — no brand owns this niche
Competition
Great33%top-5 click share — an open shelf
Price range
Great$4.70–$63.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$13.22avg listing price — sweet spot $15–$100
Review moat
Okay2,253.37avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Market size
Bad$72K$72K/yr · 254K searches
Growth
Bad-15.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, pen knife is a $72K/yr Amazon United States market (254K searches/yr). The top 5 brands hold 41% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 55/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
pen knife market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $79K–$106K
- units × avg price
- Conversion rate
- 2.1%
- Avg BSR
- #344
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 77%
- Out of stock
- 4.3%
- Avg brand age
- 48 months
- Avg seller age
- 162 days
Competition & brand share
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.Brands
46 rising
Sellers
112
Top-5 brand share
41%
Top 20: 79%
Top-5 click share
33%
Top 20: 68%
Open market
54%
- FUNBRO10%
- Fiskars10%
- Grand Way8%
- Westcott8%
- AMEND25%
- ANKAKA5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -15.4% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 15.0×
Top pen knife search terms
- pen knife124K/yr
- knife pen38K/yr
- pen knife self defense17K/yr
- pen with hidden knife9K/yr
- pen cutter8K/yr
- pen knives6K/yr
- pen knife for crafting6K/yr
- exacto knife pen6K/yr
- craft knife pen5K/yr
- fiskars craft knife4K/yr
Top pen 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
FUNBRO EDC Pocket Knife - 7CR13Mov Steel Tanto Blade Slim Survival Knife with Clip and Liner Lock Window Breaker for Outdoor Camping- Stocking stuffer Gifts for Men Women
FUNBRO$9.444.4★3,706 rev
Grand Way 5.5 Knife - Small Black Knife - Japanese Utility - Sharp Knives - Letter and Envelope Opener - Pocket Knife for Men and Women - Multifunction Bike Tools Best Gift Idea 130129-1
Grand Way$8.604.5★3,025 rev
Fiskars 6 Detail Craft Knife for Precision Cutting & Detail Work Arts & Crafts Exacto Hobby Knife for Scrapbooking Cutter Ideal for Cardstock Thin Plastic Photos Vinyl & Canvas Durable Aluminum
Fiskars$6.234.5★10,714 rev
Westcott 17314 Pen-Style Retractable CarboTitanium Bonded Hobby Knife Gold
Westcott$10.944.7★164 rev
AMEND2 Self-Defense Pen V3 G10 Core Full-Length SDTOOL
AMEND2$12.784.3★24 rev
Newest
by launch date
6PCS Craft Knife Pen Retractable Utility Knife Paper Cutter Pen Art Cutting Tool Utility Precision Carving Tools for DIY Scrapbooking Drawing Sticker Stuff - 6 Colors
Apojgitn$4.703 rev
Multi-Functional Survival Tactical Pen 11-in-1 Includes Umbrella Rope Utility Knife Whistle & Fishing Tools Emergency Safety Kit for Hikers Campers Anglers
Kaojoy$10.6812 rev
AMEND2 Self-Defense Pen V3 G10 Core Full-Length SDTOOL
AMEND2$12.7824 rev
2 Pcs 2-in-1 Multifunctional Gel pen Knife Retractable Blade and Pen Safety Box Cutter Cutting Paper Tools Portable Writing Pen and cutter(White + Black)
XTUOSHP$7.3713 rev
Retractable Carving Pen Knife Set 6 PCS Precision Art Knives with 6 Replacement Blades Ideal for DIY Crafts Scrapbooking Drawing and Detailed Paper Cutting
Gorofit$6.2946 rev
Trending
90-day click momentum
QZL Pocket Knife for Men Folding Knife with Clip with D2 Steel Blade Safety Liner Lock Sharp Knife for Outdoor Tactical Survival Camping Hunting Fishing Cool Knifes for Dad
QZL$8.194.1★
6PCS Craft Knife Pen Retractable Utility Knife Paper Cutter Pen Art Cutting Tool Utility Precision Carving Tools for DIY Scrapbooking Drawing Sticker Stuff - 6 Colors
Apojgitn$4.703.3★
Multi-Functional Survival Tactical Pen 11-in-1 Includes Umbrella Rope Utility Knife Whistle & Fishing Tools Emergency Safety Kit for Hikers Campers Anglers
Kaojoy$10.684.1★
AMEND2 Self-Defense Pen V3 G10 Core Full-Length SDTOOL
AMEND2$12.784.3★
Roczipeng 4.13 All-steel Fruit Knife with Sheath Fixed Blade Flatware Knife with Cover Multipurpose Stainless Steel Dinner Knife for Home Kitchen BBQ Outdoor Cooking (Stick Shaped Sliver)
Roczipeng$6.954.1★
What buyers say about pen knife
What buyers praise and complain about, mined from review topics.What buyers love
“Blade is sharp”
“Great Quality Knife”
“Easy to carry”
“Excellent Value”
“As pictured”
“Love the size and usefulness”
“Solid grip”
“Its well built”
“Base is sturdy”
“The knives feel lightweight”
What buyers complain about
“Too short”
“Broke after a month”
“Very difficult to close”
“doesnt stay sharp”
“Complete garbage”
“not as functional as I thought it would be”
“They break easily”
“After receiving product I felt was a little over priced”
“hard to grip”
“Not as pictured”
Top return reasons
Common questions
- Is pen knife profitable to sell on Amazon United States?
- The niche generates $72K/yr across 60 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is -15.4%. Flapen's verdict: Worth a look (55/100).
- How competitive is the pen knife niche?
- 46 brands and 112 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 41% of demand.
- What do buyers complain about in pen knife?
- Top complaints mined from reviews: Size-Overall, Durability, Ease Of Use. The return rate is 1.0%.
- When does demand for pen knife peak?
- Demand peaks in Nov–Dec; the busiest month runs 15.0× the quietest.
- What does it cost to enter the pen knife niche?
- Listings span $4.70–$63.47; the average listing price is $13.22 (sweet spot $15–$100). The average incumbent carries 2,253 reviews — the moat a new listing must climb.