Commodity composition: 2Pcs sharpening angle clamps, the color is black, enough quantity for daily use. Product size: The knife sharpening aid is 9cm*10cm*1.8cm, small, easy to use and durable. Commodity material: Angle guide's inside is made of plastic, to prevent it from scratching your knife. And it nicely allows you to better find the angle of the sharpening. Easy to use: This whetstone with whetstone holder can help you sharpen the knife at a perfect angle on the grinder, which saves manpower and is more convenient to use. Wide range of applications: Plastic grinder holder is a good tool suitable for outdoor or kitchen, wide range of applications, practical and light and portable. Size: 9cm*10cm*1.8cm Color: black Package includes: 2pcs* sharpening stone positioner