Feature: This drill bit is made of quality metal material, high strength, wearable and durable. Help you easily drill a hole on wood. Easy to use, compatible with most drill, such as bench drill, lithium battery drill.etc Useful tool for wood work lovers to do DIY. Easily open holes in various types of material board, for example, soft and hard wood, multi-ply splint, composite board, plastic. Spec:Material: Carbon steelTotal length: 80mm / 3.1inHandle diameter: 10mm / 0.4inBlade length: 35mm / 1.4inPackage list: 1 * Reaming drill 1 * Hex wrench 1 * Control ring Notice:The actual product color may deviate from the photo due to light.There may be a slight deviation in the measurement of product.