What is the lifespan for these? How many times can a block of seven kitchen knives (for example) be sharpened, before needing to be replaced?

They are good quality belts in my opinion, but you're asking a question not easily answered. Did the block of seven knives just slice 5 tomatoes each or were they used on an infomercial where they cut a boot in half then sliced 5 tomatoes? How dull and or damaged they are directly affects belt life proportionally. Duller they are the more wear you put on a belt to sharpen but I would approximate 50-100 knife sharpenings per set

Are these the actual work sharp belts, same belts that came with my blade grinder attatchment?

Hello Jeff, Yes, these are the same belts that came with Blade Grinding Attachment. The pack includes one each of the P120, X65, X22, X4 and 12,000. For more information please contact Customer Service at 1-800-418-1439.

Hi is this 1" x 18" belt? Im confused, thank you

Yes, this is the 1" x 18" belt that only works with the blade grinding attachment (WSSAKO81112) as pictured on the box. The stated dimensions are 1" x 9.25" which is correct for an 18" belt (9" each side). The regular Ken Onion sharpening attachment uses shorter belts.

Are these OEM or aftermarket?

Our abrasive belts are not OEM. They are sourced in custom sizes just for our sharpeners. We do not make the abrasive itself, but they are not available anywhere else in these sizes. Our belts are manufactured to be fast cutting as well as cool cutting, meaning they will not overheat the blade, a unique combination. If you have additional questions, feel free to contact our Technical Support team at 1-800-418-1439.

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Work Sharp WSSAKO81115 Replacement Belt Kit for Ken Onion Blade Grinder Attachment

Work Sharp WSSAKO81115 Replacement Belt Kit for Ken Onion Blade Grinder Attachment

Product ID: 254063871

Details

Brand
WORK SHARP
Colour
Ken Onion Belt
Item weight
0.2 Kilograms
Material
Synthetic
Product dimensions
25L x 25W x

⏳long-lasting engineered abrasives

🔧fits Ken Onion blade grinder only

⚙️5 precision grit belts

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¥11984

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔪 Sharpen like a pro, every time—because your blades deserve the best!

TAILORED FIT - Specifically crafted for the Ken Onion Blade Grinding Attachment—no compromises.
TRUSTED BY PROS - Highly rated with 4.7 stars and a top 40 rank in sander belts—join the sharpening elite.
COMPLETE GRIT SPECTRUM - From extra coarse to ultra-fine, sharpen every edge with precision.
ENGINEERED FOR DURABILITY - Premium synthetic belts designed to outlast and outperform standard abrasives.
VERSATILE SHARPENING POWER - Perfect for household stainless steel to carbon steel blades, ensuring professional results.

The Work Sharp WSSAKO81115 Replacement Belt Kit offers five premium-grade abrasive belts ranging from extra coarse to ultra-fine grit, engineered for long-lasting performance. Designed exclusively for the Ken Onion Blade Grinding Attachment, this kit ensures precise, professional sharpening for a variety of blade steels, backed by a 4.7-star rating and trusted by serious sharpening enthusiasts.

Specifications

ASIN	B00J9AADOK
Best Sellers Rank	#70,583 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #20 in Sander Belts
Brand	WORK SHARP
Brand Name	WORK SHARP
Color	Ken Onion Blade Grinding Belt
Colour	Ken Onion Blade Grinding Belt
Customer Reviews	4.7 out of 5 stars 460 Reviews
Global Trade Identification Number	00662949038935
Grit Type	Extra Coarse, Medium, Fine, Fine
Grit type	Extra Coarse , Medium, Fine , Fine
Included Components	Ken Onion Blade Grinding Belt
Item Dimensions L x W x H	25L x 25W x 229H millimeters
Item Type Name	fixed blade,hunting knife,hunting,camping,outdoor
Item Weight	0.2 Kilograms
Item weight	0.2 Kilograms
Manufacturer	Work Sharp
Material	Synthetic
Material Type	Synthetic
Product dimensions	25L x 25W x 229H millimeters
UPC	662949038935

Reviews

D**E

Great replacement belts

22.09.2021

M**F

Consigliatissimo

indispensabile se so utilizza la ken onion con il tool per lame grosse.

7.02.2023

A**R

Good belts

29.10.2023

B**R

Awesome

10.07.2025

C**S

Great belts….

21.01.2023

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