Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si the electric drill unit. the of the drill.Wear resistant corundum grinding . Great for quick punching, tapping, etc. And fast replacement composite cone, uses sharp drill principle. Lightweight and compact, the drill sharpening tool is easy to carry. Made of high quality abs plastic and brown corundum grinding , it can grind iron drill very , and is durable and not easy to damage. Nainly used for grinding iron drills, other high hardness drills are not suitable for . Specifications: Condition: Brand New Colour:Blue Material:ABS + metal Size:170*85mm Package Contents: 1 x Blue Drill Bit Sharpener 1 x Wrench 4 x Grinding Wheels 1 x Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.