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, durable and stable Applicable scope: suitable for the power of 1050w above the impact drill Multiply the usefulness of impact drivers and cordless wrenches to do the work of a regular electric drill. Unique torque thrust bearing is easy to handle and results in better clamping for Material: HSSandABS Size: 7.4 x 4.3cm Chuck Range: 2- 13mm Package Included: 1 x Detachable Keyless Chuck Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.