A slim profile 6” extension that locks into the ShaftLOK™ 15-in-1 Multi-Bit Screwdriver. Made with one solid steel piece with .375” (9.6mm) clearance. The Megapro ShaftLOK™ extensions can also be used in power drills and multiple extensions can be locked together for extra long reach. 6EXT-SL6 SHAFTLOK 6" EXTENSION BLACK OXIDE