Countersink Bit with Depth Stop, 2.8x10mm Drill Bit with Adjustable Depth Stop and Accessories, Drill Bit Depth Stop Collar Set Carpenter Tool Drill Accessories WITH FITTINGS: Countersink drill bit kit contains wrenches, hex wrenches, set screws and storage boxes, convenient for your use and storage BENDING RESISTANT AND WEAR RESISTANT: The hole sink drill is made of excellent alloy steel through accurate machining of high accuracy equipment, bring good chip removal effect, strong bending resistance, wear resistance, and MATERIAL: The structure design of the drill bit is reasonable, the chamfer is made of No.45 steel, beautiful and , with excellent quality and detail Spec: Item Type: Countersink Drill Bit Material: Alloy steel Color: Silver Size: Approx. 2.8 x 10mm / 0.11 x 0.39in Application: Used for wood, plastic, soft metal, fiberboard, aluminum alloy screw countersink hole, hole opening, etc. Package List: 1 x Limit Countersink Drill Bit 1 x Wrench 1 x Hex Wrench 1 x Set Screw 1 x Storage Box