Drillpro 2-13mm Keyless Impact Drill Chuck Hand Tool With Lock And SDS Adaptor (2-13mm Drill Chuck) ADVANCE DESIGN: Constructed with all metal for supreme durability. Comfortable surface is easy to clamp, so that the output torque becomes larger.Unique thrust bearing easy to handle the torque applied to translate into greater clamping force. AN IDEAL ACCESSORY: The exclusive single sleeve design can conveniently tighten with one hand. Beautiful and practical surface relief design, the front sleeve can effectively cooperate with the after sleeve and reduce the coat shaking. UNIVERSAL: A great accessory can be used for all your drilling tasks. Value of a delicate clamp can give you a cool experience. APPLICATE SCOPE: Suitable for AC power drill with power of 700W and various DC electric drill. Multiply utility of cordless impact drivers and wrenches do work of regular power drill. 30 DAY MONEY BACK GUARANTEE-100%: We stand behind all of our CAMTOA products and we are dedicated to providing our customers with the best possible shopping experience. The product after quality certification, 30 days if any non-human damage, please feel free to contact us.