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/2.83inch,Sand Surface Diameter: 60mm/2.36inch,Sand Width: 6mm/0.24inch,Handle Diameter: 10mm/0.39inch Optional Size: 40mm:Opening diameter 40mm/1.57inch 45mm:Opening diameter 45mm/1.77inch 50mm:Opening diameter 50mm/1.97inch Package Includes: 1x Beveling Chamfer Bit Note: Please allow slightly errors due to manual measurement and different monitors.