Features: 1.STAINLESS STEEL: External chamfer is made of stainless steel for strength and hardness, durability and rust resistance. 2.SAFE AND EFFICIENT: External chamfer tool easily chips the outer edges of pipes or rods to remove burrs, safely and efficiently, simplifying the maintenance process. 3.EASY OPERATION: Attach the deburring external chamfer tool to the end of the drill, use the lowest speed on the bit, then apply slight pressure to remove the burr. 4.SMOOTHLY EDGES: Each edge is smoothly and the triangular shank fits snugly into the chuck. Quickly insert it into your hand drill and start repairing the workpiece. 5.SCOPE OF APPLICATION: Metal external chamfer is suitable for chamfering tools on stainless steel, hardened steel, soft steel, copper, brass, aluminum, fiberglass, wood, plastic, with or without threads. specification:Item Type: Deburring External Chamfering Tool Material: Stainless Steel Size: Approx. 31 x 18 x 7mm / 1.2 x 0.7 x 0.3in (Manual Measurement, There Are Errors) Color: Black PackageList:2 x DeburringExternalChamferingTool Notemanual measurement, there are errors