TOOL SCREWDRIVER PARK SD-6 6mm FLAT Shop quality screwdrivers designed for comfort and durability Featuring dual density grips and heat-treated, chrome vanadium tips and shafts The SD-0#0 is a 1/8" shaft for those small computer cross tip screws and many hydraulic brake reservoir caps The SD-2 #2 is a 1/4" shaft, perfect for derailler adjustment screws It is the most common cross tip ("Phillips") required