Tuff Stuff, 53311, Replacement Tip Bit For 6 In 1 Screwdriver #2 Phillips - 1/4" Slotted, 5/16" Hex Shank, Includes 1 Each #2 Phillips & 1/4" Slotted, Specially Designed To Fit The 5/16" Side Of The 6 In 1 Screwdriver, Industrial Quality Alloy Steel Bits, Fits Most 6 In 1 Screwdrivers Including Tuff Stuff Professional #53310 #53010.