Features: It is made of emery and silicon carbide, which will not shed sand or chamfer and polish more sharply or wear-resisting.M10 thread is easy to install, and the clamping is more stable or or less slippery.The bevel relieves the chamfering pressure, which is convenient for bevel enlargement, grinding and polishing of existing holes.Suitable for reaming and chamfering of marble, quartz stone, ceramic tile, etc.Often installed in model 100 angle grinder or hand drill.describe: Name: Chamfering bitDiameter: 50mmThread: M10Applicable model: model 100 angle grinderQuantity: 1pcMaterial: Corundum and silicon carbidecolour: goldPackage Contents: 1 x Chamfering bitOnly 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.