Philips #1 and 2, Slotted 3/16 and 1/4, Square #1 and #2, Torx T10 and T15, Nut driver , 5/16, 3/8 Tool steel bits are the highest quality Blast finish increases bit grip on fastener and rust preventative dip increases tool life Cushion grip meets ANSI standards for comfort Thick rubber cushion grip handle makes tool use comfortable