Feature:1. Made of aluminum alloy material, anti-corrosion and durable2. Accuracy manufacturing, accurate calibration and easy operation3. Adjustable drill bit guide can control the drill bit angle, can locate quickly and accurately4. The product has good abrasion resistance, high strength and hardness, easy to use5. The drill is rigid, and the clamp can hold the wood tightlySpec:Item Type: Hole Drill Punch PositionerProduct Specification:Hole Opener: 15mmDrill Bit: 6, 8, 10mmDrill Socket: 6, 8, 10mmLimit Ring: 6, 8, 10mmPackage List:2 x Hex Wrench 1 x 15mm Hole Opener 3 x Drill Bit 1 x Wrench 1 x Star Screw Rod6 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