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.Delivery Quantity: 6pcs,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.) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.