Makita is the leading manufacturer of professional power tools on the market. The 191V02-5 5 piece PH2 screwhead bit set, with ¼ hex shank, has been designed specifically for the auto feed attachment suitable for the Makita DFR551 Autofeed Screwdriver. The 191V02-0 bits are manufactured from high quality steel for increased durability and a longer service life and quick and easy to install for added user convenience. 191V02-0 bits are ideal for applications including attaching decking, subfloors and drywall.