The 3-in-1 impact flip socket allows for quick switching between drive sizes. For use on an impact driver, this versatile socket includes three hex sizes: 5/16 in, 1/4 in shallow (driver) and 1/4 in deep (bit holder). Rare-Earth magnet holds bits and hex head fasteners. Will also fit a Klein® Tools screwdriver handle (Cat. No. 32308). Klein® 32766 3-in-1 Impact Flip Socket, 1/4 in Drive Hex Drive, 1/4, 5/16 in Socket Impact Socket, 6 Points