Set Includes: (3) Square Drive Adapters: 1/4, 3/8, 1/2 (1) Magnetic Bit Socket (1) Swivel Head Quick Release (20) Nut Setters: 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2 SAE 4, 5, 5.5, 6, 7, 8, 9, 10, 11, 12 MM (20) 1 Long Bits: (4) Philips: 0, 1, 2, 3 (4) Pozi Drive (PZ): 0, 1, 2, 3 (4) Hex: 3, 4, 5, 6 MM (4) Slotted : 5-6, 6-8, 8-10, 10-12 (4) Tamper Proof Torx: 15, 20, 25, 30