20 pc 1 in. bits: ;Phillips:#1, #2, #3 #1, #2, #3 ;Slotted: 5/32, 3/16, 1/4 in. ;Hex: 1/8, 1/4 : T-10, T-15, T-20, T-25, T-30 S1, S2, S3 bit/socket adapter.