Made of high quality die steel, this deburring tool has higher hardness than stainless steel. The tool can work with electric drills for high speed deburring. Hex and triangular shank design can fit for various kinds of electric drill chuck. Fine workmanship, beautiful appearance and no harm to your hand. Can be used for deburring workpieces with or without screw thread. Item Type: Deburring External Chamfer Tool Material: Die steel CR12MOV Shank Type: Hex shank; Triangular shank (optional) Color: Black; Silver; Gold (optional) 1 x Deburring External Chamfer Tool