Feature:1. HIGH HARDNESS: The countersink bit is made of hard alloy steel with HRC5054 hardness, providing good drilling ability and wear resistance.2. ADJUSTABLE DEPTH: The depth can be adjusted for screws of different lengths, create countersunk holes on the wood, ensure consistent depth.3. APPLICABLE SCREW: This drill bit can create perfect countersunk holes for flat and plug screws, without the need to split wood, not easy to block.4. APPLICABLE WOOD: The countersunk bit is applicable to wood, medium density fiberboard, particle board, dense plywood, hardwood and cork, etc.5. EASY OPERATION: Equipped with hex wrench, flat wrench, and screw, this countersunk bit is easy to operate, greatly improves work efficiency.Specification:Item Type: Countersink BitMaterial: Alloy SteelSpecification: 8x8x2.8.Package List:1 x Countersunk Bit1 x Hex Wrench1 x Wrench1 x Screw1 x Storage CylinderNote:Please avoid cutting black metal and other materials such as steel, iron, sand, etc.