Irwin Screwdriver Bit Set, Number of Pieces: 30, Includes: (2) #1 Phillips 1 in Insert Bit, (7) #2 Phillips 1 in Insert Bit, (2) #3 Phillips 1 in Insert Bit, (1) #1 Square Recess 1 in Insert Bit, (5) #2 Square Recess 1 in Insert Bit, (1) #3 Square Recess 1 in Insert Bit, (1) 6-8 Slotted 1 in Insert Bit, (1) 8-10 Slotted 1 in Insert Bit, (1) 10-12 Slotted 1 in Insert Bit, (2) #2/#2 Phillips Double End Bit, (1) #2 Square Recess Double End Bit, (1) 8-10 Slotted Double End Bit, (2) 1/4 in x 2-9/16 in Magnetic Nutsetter, (1) 5/16 in x 2-9/16 in Magnetic Nutsetter, (1) 3/8 in x 2-9/16 in Magnetic Nutsetter, (1) 7/16 in x 2-9/16 in Magnetic Nutsetter, (1) 2-1/4 in Magnetic Bit Holder