Characteristic: It takes only 5 seconds to easily sharpen all types of drills, which are suitable for high-speed steel, cemented carbide, twist, cobalt and other drills. It can also be used to sharpen other tools. (Recommended for electric drills above 16V, with better effect) The drill sharpener has high strength body, high hardness and durability. Equipped with high hardness grinding wheel, it brings you faster sharpening speed and convenience. Alloy transmission shaft, round and boundless design, suitable for all chucks. Suitable for drill bits with a diameter of 2-16mm. It supports the replacement of grinding discs (the back cover is opened for replacement). It is small in size, light in weight and easy to carry. It is an Perfect tool for artisans to grind drill bits. Equipped with three drills with different sizes (2-4mm,4-8mm and 8-16mm) to meet the daily application requirements. Describe: Name: Portable Bit Polisher Quantity: 1 set Material: Metal colour: orange color Package Contents: 1 set x Portable bit sander Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.