100 Piece Security Bit Set contains many of the most common tamper proof type security bit sizes including tri-wing bits, torx bits, spanner bits, and hex bits. One wing nut driver, One magnetic bit holder, One socket bit holder One 1/4" sq. x 1/4" hex x 1" extension One 1/4" sq. x 1/4" hex x 2" extension Three clutch bits (# 1, 2 & 3), Three torq bits (# 6, 8 & 10) Three spline bits (M-5, 6 & 8), Four tri-wing bits (# 1, 2, 3 & 4) Four square recess bits (# 0, 1, 2 & 3), Four spanner bits (# 4, 6, 8 & 10) Six metric hex tamper proof bits (2, 2.5, 3, 4, 5 & 6) Six SAE hex tamper proof bits (5/64, 3/32, 7/64, 1/8, 9/64 & 5/32) Eight phillips bits (0, 1, {five} 2 & 3), Eight pozi drive bits (0, 1, {five} 2 & 3) Nine slotted bits (3, 4, 4.5, 5, 5.5, 6, 6.5, 7 & 8) Nine metric hex bits (1.5, 2, 2.5, 3, 4, 5, 5.5, 6 & 8) Nine torx bits (T-8, 10, 15, 20, 25, 27, 30, 35 & 40) Nine torx tamper proof bits (T-8, 10, 15, 20, 25, 27, 30, 35 & 40) Ten SAE hex bits (1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32 & 1/4) Plastic storage carrying case