10PCS Knife Sharpening Guide Random Knife Sharpener Angle Grinding Clamp for Whetstone Sharpening Guide Tool 1. and high quality. Design easy to use. No experience necessary. 2. perfect to use with sharpening stones for fast precision sharpening. 3. Sharpening angle guide is accurate which can guide perfect blade. 4. Unique protective layer for durable use. 5. Stylish appearance, exquisite design is the best choice for you. Angle: 15-20 degree colour:Black Material:Plastic + ceramic size:10cm x 2cm x 1.6cm Package Contents: 10 x Whetstone Sharpening Guide Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.