Tamper Proof Screwdriver Bit Set, #6, #8, #10, #12, #14 (Spanner), T8, T9, T10, T15, T20, T25, T27 (Star Tamper), 3/32 in., 1/8 in., 9/64 in., 5/32 in., 3/16 in., 7/32 in., 1/4 in., 5/16 in. (Hex Tamper), #1, #2, #3 (Tri-Wiring), #1, #2, #3 (Square), #2, #3 (Phillips), 1/4 in. (Impact Driver Adapt tip size, Spanner, Star Tamper, Hex Tamper, Tri-Wiring, Square, Phillips tip type, 32 pieces, 1 per pack