CUTOKAY Ceramic Box Cutter Blades 9mm Wide Cutokay Knife refill Ceramic Utility Knife Blades Spare [7-pack] - Yahoo Shopping

The blades are made by ceramic. For CUTOKAY box cutters..One item includ 7 pcs blades.The material CUTOKAY uses, zirconium oxide, is much harder than metal and dulls much slower. This means it doesn't require an unsafe initial sharpness. It also means that CUTOKAY ceramics last, on average, 10 times longer than metal blades..The thickness of CUTOKAY blade is 0.6mm, which is 1.3 times thicker than other ceramic blades of the same model. So CUTOKAY blades are not easily broken and last longer.
The blades are made by ceramic. For CUTOKAY box cutters..One item includ 7 pcs blades.The material CUTOKAY uses, zirconium oxide, is much harder than metal and dulls much slower. This means it doesn't require an unsafe initial sharpness. It also means that CUTOKAY ceramics last, on average, 10 times longer than metal blades..The thickness of CUTOKAY blade is 0.6mm, which is 1.3 times thicker than other ceramic blades of the same model. So CUTOKAY blades are not easily broken and last longer.

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