Professional 20 teeth ratchet mechanism provides high torque for driving and removing screws Ratchet action eliminates the need to reset the bit in the screw - perfect for blind applications 3-position switch allows the ratchet mechanism to be locked for use as a standard screwdriver 6 SVCM steel bits for long life Drive tube can be used to drive 1/4 in hex nuts Comfortable ergonomic handle provides secure on-board bit storage with no chance of losing an end cap Includes stubby ratchet driver for use in the most restricted areas Contains one each bit in 1-1/2 in and 3-1/2 in length 3/16 and 1/4 in slot