Set includes: (32) 2-Inch security bits, (1) 2-1/2-Inch magnetic bit holderSize Includes: (4) Spanner Bits: #4, #6, #8 and #10 | (4) Triwing Bits: #1, #2, #3 and #4 | (3) Torq Bits: #6 #8 and #10 | (9) Tamper-Resistant Star Bits: TR8, TR10, TR15, TR20, TR25, TR27, TR30, TR35, and TR40 | (6) Metric Tamper-Resistant Hex Bits: 2, 2.5, 3, 4, 5, and 6mm | (6) SAE Tamper-Resistant Hex Bits: 5/64, 3/32, 7/64, 1/8, 9/64, and 5/32 in. Fits most popular sizes of tamper-proof fasteners. Features a convenient storage capsule. Cr-V construction for strength and durability.