Item Description:Features:Made of extremely hard stainless steel with three shaving teeth, let it has the feature of high strength and hardness for durability.Deburring external chamfer tool can quickly grind the tip of compressed or rusty bolt to tapered edge so that the nut can be quickly tightened in place without replacingand hard-to-find fasteners, saving a lot of money, ely when handling fixed bolts that cannot be disassembled.The operation is simple, using the lowest speed on the drill bit, and then slightly applying pressure to remove the burr of bolt. safe and pious design means no cuts, no sparks, no burns.Suitable for stainless steel, hardened steel, low carbon steel, copper, brass, aluminium, glass fiber, wood, plastics, whether or not threaded.Specifications:Material: CR12MOV steelSize: 28 * 33 * 18mm/1.1*1.3*0.71"Shank Shape:HexItem Specification:DIY Supplies: WoodworkingType: Otherlength: /Use: Wood Drillingis_customized: YesMaterial: Other