Description: [Material]: The Double layer beveling chamfer bit is made of emery material, which is sturdy for long term use [Features]: Double layer chamfer finger bit features an extended thread interface that is wear resistant and offers enhanced durability [Versatile Functionality]: This Double layer Beveling Chamfer Bit is  for enlarging chamfering holes in granite marble porcelain tile etc [Convenient ]:  Double layer Cone Milling Bit eliminates the need to add water during use. This feature makes hole opening tasks more convenient and efficient [Design]: This Double layer Beveling Chamfer Milling Bit suitable for angle grinder Specification: Material: Carborundum Particles and High Manganese Steel Size Chart: Total Length: 72mm or 2.83inch,Sand Surface Diameter: 60mm or 2.36inch,Sand Width: 6mm or 0.24inch,Handle Diameter: 10mm or 0.39inch Optional Size: 40mm:Opening diameter 40mm or 1.57inch 45mm:Opening diameter 45mm or 1.77inch 50mm:Opening diameter 50mm or 1.97inch Package Includes: 1x Beveling Chamfer Bit Note: Please allow slightly errors due to manual measurement and different monitors. 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.