Porter Cable PCSD330 30 Piece Impact Ready Screwdriving Set Impact Ready Commercial Duty Screwdriver Tips in a convenient slide lock storage case. 30 pieces contain: 1 inch phillips tip screw bits size #1 (2), #2 (5), #3 (2) and 2 inch #2 phillips Square tip screw bits in 1 inch size #1 (1), #2 (3), #3 (1) and 2 inch square #2 (1) 1 inch slotted tip screw bits size #6 (1), #8 (4), #10 (1) and 2 inch #8 slotted (1) 1 inch torx tip size T15 (1), T20 (2), T25 (2), 2 inch torx T25 and (1) compact magnetic drive guide