Includes heat treated bits for extra durability. Includes TOUGH CASE TM for storage durability. 29-pc. set includes: 1in. Phillips bit tips: (1) #1, (10) #2, (1) #3, 1in. slotted bit tips: (1) #6, (2) #8, (1) # 10, 1in. square recess bit tips: (1) #1, (6) #2, (1) #3, 2in. Phillips power bit: (1) #2, 2in. square recess power bit: (1) #2, Nutdrivers: (1) 1/4in., (1) 5/16in. and Compact magnetic drive guide: (1).