Drill and impact driver accessory that increases productivity because the telescoping sleeve acts as an extra hand to hold the screw in place at the end of bit. Insert any 1/4″ hex-shank bit – Phillips, flat head, TORX or security – and the magnetic holder keeps it in place; extend the aluminum sleeve and drop in screw or other fastener to 1/4″ head-diameter. As you drive in the fastener, sleeve automatically retracts so you get full run-down. Length overall 5″ sleeve-retracted, 2 oz. Hardened & tempered steel shank with galvanized finish; excellent quality, made in Taiwan.