Have they fixed the diamond coating chipping off problem?

I haven’t noticed any chipping on mine. Bought it around 8 months ago and very been pretty rough on it.

Is this the same as a steel, like the kind that comes with kitchen knife sets?

No, this has a slight grit to it, you can feel it working . I use it for kitchen knives and my pocket knives. I really like this tool.

How do you keep the correct blade angle when sharpening? 18 to 22 °

Well if your blade is wide enough, with a flat blade face, you could get one of those magnetic angle finder and stick it on the knife when using this sharpener. You also would wanna lay the rod horizontally on a leveled surface to drastically reduce any unwanted movement while being used.

Will this work for sharpening a karambit knife?

You could for a quick sharpen. I use it for my utility knife blade. But for main sharpening I would use a wetstone.

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Kershaw 9" Ultra-Tek Sharpener, 600-Grit Diamond-Coated Oval Shaft

Product ID: 2258498

Details

Brand
Kershaw
Color
Black
Grit Type
600
Item Weight
2.4 ounces
Manufacturer
Dreme Corp
Material
Plastic

🎒Compact & lightweight 1.7oz design

💎600-grit diamond-coated shaft

🛠️6061-T6 anodized aluminum handle

$77.99

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💼 Stay sharp, stay ahead — the ultimate edge tool for the modern pro.

RUGGED DURABILITY - Aircraft-grade anodized aluminum handle built to withstand daily carry and tough use.
NO FUSS SHARPENING - Oil and water-free operation means you’re always ready to sharpen on the go.
EFFORTLESS PORTABILITY - Lightweight 1.7oz and compact 9-inch length fits seamlessly in your pocket or bag.
PRECISION EDGE REVIVAL - 600-grit diamond coating sharpens with surgical finesse for all knives.
UNIVERSAL KNIFE COMPANION - Perfect for EDC, chef’s knives, and outdoor blades—never settle for dull again.

The Kershaw 9" Ultra-Tek Sharpener features a 600-grit diamond-coated oval shaft housed in a durable 6061-T6 anodized aluminum handle. Weighing just 1.7oz and measuring 9 inches, it offers a compact, oil-free sharpening solution ideal for everyday carry, chef’s knives, and outdoor blades. Its reversible shaft design ensures easy use and reliable edge maintenance anytime, anywhere.

Specifications

ASIN	B000WALUV6
Brand Name	Kershaw
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (1,816)
Global Trade Identification Number	00087171253503
Grit Type	600
Included Components	Kershaw 9" Ultra-Tek Sharpener, 600-Grit Diamond-Coated Oval Shaft, Portable Blade Sharpener Tool for Knife
Item Dimensions L x W x H	6"L x 1"W x 1"H
Item Type Name	Kershaw 9" Ultra-Tek Sharpener, 600-Grit Diamond-Coated Oval Shaft, Portable Blade Sharpener Tool for Knife
Item Weight	2.4 ounces
Manufacturer	Dreme Corp
Manufacturer Part Number	KS2535-BRK
Manufacturer Warranty Description	Warranty
Material Type	Plastic
Model Number	2535
Number of Items	1
Number of Packs	1
UPC	087171253503
Unit Count	1 Count

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