... , T25, T27, T30, T40 (6) SAE Security Hex Screwdriver Bits #5/64, 3/32, 7/64, 1/8, 9/64 ... (6) Metric Security Hex Screwdriver Bits #2, 2.5, 3, 4, 5, 6 (4) Tri-wing Screwdriver Bits #1, 2, 3, 4 ... (1) 1/4" Magnetic Screwdriver Bit Holder Comes in a convienient storage case All security screwdriver bits are made of chrome vanadium