3 in 1(Tungsten, Ceramic, Carbide)
Tungsten for rude grinding
Ceramic for precise grinding
Carbide rod for serrated blade grinding
With keychain hole, allow you easily attached this sharpener to keychain
Material: ABS Plastic + Tungsten Sharpener + Ceramic + Carbide rod
Size: 80*27*10mm
Weight: 27gram
Package cinluded: 1 * Sharpener