Shockwave, 18 Pack, Driver Bit Set, Includes 1" Phillips Bit: P1 P2 P3, 2" Phillips Bits Power: 2 Each P2 P3, 3-1/2" Phillips Bits Power: P2, 1" Square Bits: Sq1 Sq2, 2" Square Bits Power: 2 Each Sq2, Sq3, 3-1/2" Square Bits Power: Sq2, 1" Slotted Bits: Sl 3/16" Sl1/4", 2" Torx Bits: T15 & T20, Shockwave Magnetic Bit Holder Case With Bulk Storage Container, Clamshell Packaging.