Master Mechanic 66 pc Screwdriver Bit Set Contents: 1" Screwdriver Bits, (2) Phillips #1, (6) Phillips #2, (2) Phillips Reduced Diameter #2, (2)Phillps #3, (1)Slotted #6-8, (1)Slotted #8-10, (2) Slotted #10-12, (2) Square #1, (5) Square #2, (2) Square #3, Hex 1 each 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", (1) Torx #10, (1) Torx # 15, (3) Torx #20, (5)Torx #25, (1) T27, (2) Torx #30, 2" Screwdriver Bits, (4) Phillips #2, (1) Phillips #3, (2) Square #2 (2) Torx #20, (4) Torx #25, (1) Slotted #10-12, 1 Each Double End Power Bits, Torx #20/Torx #25, Phillips #2/Slotted #10, Phillips #2/Phillips#2, Phillips #2/Square#2, 1 Each 1/4" & 5/16" Magnetic Nut Setters, 1/4" to 3/8" Socket Adapter, 4" Magnetic Drive Guide, Orgainzed In Durable Case, Clamshell.