A brand new 100 piece Security Bit Set. Use these bits to gain access to and remove most tamper proof screws. This set contains just about every tamper proof pattern. All bits are precision machined from heat treated chrome vanadium steel and have a sandblasted finish. Feature -1 Wing Nut Driver -1 Magnetic Bit Holder -1 Socket Bit Holder -1 1/4" Square x 1/4" Hex x 1" Extention -1 1/4" Square x 1/4" Hex x 2" Extention -3 Clutch: 1,2,3 -3 Torq: M5, M6, M8 -3 Spline: 4,6,8,10 -6 Metric hex tamper proof: 2, 2.5, 3, 4, 5, 6 -6 Fractional hex tamper proof: 5/64, 3/32, 7/64, 1/8, 9/64, 5/32 -9 Slotted: 3, 4, 4.5, 5, 5.5, 6, 6.5, 7, 8 -9 Metric hex: 1.5, 2, 2.5, 3, 4, 5, 5.5, 6, 8 -9 Torx: T8, 10, 15, 20, 25, 27, 30, 40, 45 -9 Torx tamper proof: T8, 10, 15, 20, 25, 27, 30, 35, 40 -10 Fractional hex: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4 -4 Tri-wing: 1, 2, 3, 4 -4 Square recess: 0, 1, 2, 3 -4 Spanner: S0, 1, 2, 3 -8 Phillips: PH0, 1, 2(x5), 3 -8 Pozi-drive: PZ0, 1, 2(x5), 3 -Includes Blow molded case