NEIKO 10048A Security Bit Set contains many of the most common tamperproof security bit sizes, including tri-wing bits, torx bits, spanner bits, and hex bits. Security bits set contains: (1) magnetic bit holder, (1) socket bit holder, (1) 1/4-inch square drive x 1/4-inch hex x 1-inch extension, (1) -inch square drive x 1/4-inch hex x 2-Inch extension, (8) Phillips bits (#0, 1, 2, 3 and 4) (9) Slotted bits (3, 4, 4.5, 5, 5.5, 6, 6.5, 7 and 8mm) (9) Metric Hex bits (1.5, 2, 2.5, 3, 4, 5, 5.5, 6 and 8mm) (6) Metric Hex Tamperproof bits (2, 2.5, 3, 4, 5 and 6mm) (10) SAE Hex bits (1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32 and -inch) (6) SAE Hex Tamperproof bits (5/64, 3/32, 7/64, 1/8, 9/64 and 5/32-inch) (9) Torx Star bits (T8, 10, 15, 20, 25, 27, 30, 35 and 40) (9) Torx Star Tamperproof bits (T8, 10, 15, 20, 25, 27, 30, 35 and 40) (8) Pozi drive bits (#0, 1, 2, and 3) (4) Square Recess bits (#0, 1, 2 and 3) (4) Spanner bits (#4, 6, 8 and 10) (3) Torque bits (#6, 8 and 10) (4) Tri-Wing bits (#1, 2, 3 and 4) (3) Clutch bits (#1, 2 and 3) (3) Spline bits (M5, 6 and 8) (1) Wing Nut driver Set also includes plastic storage carry case.