Features 1、Made of aluminum alloy material, anti-corrosion and durable 2、Accuracy manufacturing, accurate calibration and easy operation 3、Adjustable drill bit guide can control the drill bit angle, can locate quickly and accurately 4、The product has good abrasion resistance, high strength and hardness, easy to use 5、The drill is rigid, and the clamp can hold the wood tightly Specification Item Type: Hole Drill Punch Positioner Product Specification: Hole Opener: 15mm Drill Bit: 6, 8, 10mm Drill Socket: 6, 8, 10mm Limit Ring: 6, 8, 10mm Package List 2 x Hex Wrench 1 x 15mm Hole Opener 3 x Drill Bit 1 x Wrench 1 x Star Screw Rod 6 x Drill Socket 4 x Limit Ring 5 x Screw 2 x Washer 1 x Eccentric Wheel Plate 1 x Motherboard 1 x Fixed Clamp Plate 1 x English User Manual