DIY Supplies:Woodworking Description: 1. Material: rubber 2. Particle size: 80-2000 mesh 3. Dimensions: the connecting rod has a diameter of 3 mm, the outer diameter of the grinding disc is 20 mm, and the inner hole is about 2 mm. 4. Function: fine slit polishing such as nuclear carving, wood carving, bodhi 5. Note: colors only differ in particle size and do not stain. 6. Features: it can polish olive core. There are many places in semi-finished products such as grooves. The texture is not well polished with sandpaper, or it can not be polished or it will destroy the original texture and shape. But using this kind of grinding head can solve the above problem. While still maintaining the original texture and shape.