Marketing InformationExtend the reach of any 1/4 in hex shank driver an extra 10 in increment with a quick change Malco® Extension Bit. All bit extensions have a fast and easy push-in style receiver, with 3 ball bearing detents that holds any 1/4 in hex shank power groove or insert bit securely. The impact-grade steel construction make these a reliable and durable tool to use on the jobsite. All of these impact-grade Extension Bits work with a drill, impact driver or our popular Malco® CONNEXT1, CONNEXT2 and CONNEXT3 (Ratcheting) Handles.