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

Product ID: 254063871

Details

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

⏳long-lasting engineered abrasives

⚙️5 precision grit belts

🛠️1" x 18" belt size

NZ$72

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔪 Sharpen like a pro, every grind counts!

TAILORED FIT - Specifically designed for Ken Onion Blade Grinding Attachment—no compromises.
TRUSTED BY PROS - Top-rated with 4.7 stars and thousands of satisfied users—join the elite sharpener community.
COMPLETE GRIT SPECTRUM - From extra coarse to ultra-fine, perfect for every sharpening stage.
VERSATILE SHARPENING POWER - Ideal for household stainless and carbon steel knives, keeping your blades razor-sharp.
DURABILITY MEETS PERFORMANCE - Premium synthetic belts engineered for extended life and consistent results.

The Work Sharp WSSAKO81115 Replacement Belt Kit offers five precision-engineered belts ranging from extra coarse to ultra-fine grit, designed exclusively for the Ken Onion Blade Grinding Attachment. Crafted with premium synthetic abrasives, these 1" x 18" belts deliver long-lasting durability and superior sharpening performance for household and professional blades alike.

Specifications

ASIN	B00J9AADOK
Best Sellers Rank	#21,034 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 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 503 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	0.18 Pounds
Item weight	0.18 Pounds
Manufacturer	Work Sharp
Manufacturer Part Number	WSSAKO81115
Material	Synthetic
Material Type	Synthetic
Model Number	WSSAKO81115
Number of Items	5
Number of Packs	1
Product dimensions	25L x 25W x 229H millimeters
UPC	662949038935

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