Chuck Size Range: The drill chuck adapter size can be adjusted within the range of 2-13mm, suitable for 2-13mm drills. High-grade materials Quality: A sturdy HSS and ABS keyless chuck, which is very durable, wear-resistant and impact-resistant. Easy to use: just plug in and manually tighten your standard drill bit to use , convenient to use with standard drill on SDS, with excellent smooth and smooth movement Removable: the drill adapter is detachable and can be replaced when needed, so you don't need to order more forests. Ideal for SDS, GSB and GSR, electric hand drills, hammer drills and more conventional electric drills Strong grip: The SDS chuck uses a unique torque thrust bearing and is exquisitely designed. Just tighten the chuck to get a good grip and stable clamping. Features: High quality material, durable, sturdy, long lasting and stable Applicable scope: suitable for 1050w power above the impact drill Multiply the usefulness of impact drivers and cordless wrenches to get the job done than a regular power drill. Unique torque thrust bearing is easy to handle and results in better clamping for Material: HSS + ABS Size: 7.4*4.3cm Range of chuck: 2- 13mm Package Included: 1 x Detachable Keyless Chuck