Drive Sizes: Dual 1/4" (6.3 mm) and 1/2" (12.7 mm) drive interfaces.Socket Profile: 6-Point (Hexagon) flank drive design to minimize fastener rounding.Ratchet Mechanism: 45-tooth or 72-tooth internal gear providing precision movement with a quick-release push button and reversible lever.Standards Compliance: Adheres to DIN and ANSI dimensions.