Contents:8pc 1/4" Shank drill bit:1/16" 5/64" 3/32" 7/64" 1/8" 5/32" 3/16" 7/32" 1pc change connector 8pc 2" bitsPhillips: #3 #2 #1Hex: 1/8"" 3/16" Slotted: 3/16" 1/4" & 9/32" 3pc square nut driver:1/4" 5/16" 3/8"