Extend the reach of any 1/4-inch hex shank driver an extra 10 inches with a Quick-Change Malco Extension Bit. All Malco Extension Bits feature a fast and easy push-in style receiver with 3 interior ball bearing detents to hold a 1/4-inch hex shank power-groove or insert bit securely. Retract the collar only when removing the driver bit. Impact-Grade steel construction make these durable extensions suitable for use with a drill, impact driver or Malco CONNEXT hand driver you already own! Look to Malco Quick-Change Extension Bits for all the versatility and reach you need to get the job done right and done on time. CAUTION: Do not combine extension bits. Doing so can result in damage to the tool or injury to user.