Commodity material: Angle guides 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. Delivery Quantity: 2pcs, Package Contents: Only the above package contents, excluding other products. Size: 9cm*10cm*1.8cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)