The diamond cylindrical grinding wheel handles details such as inner corners, hole walls, and carving knife marks, which is sharp and wear-resistant, and has a fast shine. It can be used for grinding and polishing interior corners, hole walls or depressions such as reliefs and stone carvings that are difficult to process with water grinding discs. Small mesh Large mesh (coarse fine)/Gradual grinding and polishing The adapted model is suitable for installation and use of most electric grinders and drills on the market. Universal round handle alloy material is more durable/easy to distinguish type: 50 Grit Tips: The product may be updated constantly, Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Material: diamond colour: As Shown Package Contents: 1 x Diamond Grinding Burrs Heads 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.