PROTO BLACK CHROME COMBINATION REVERSIBLE RATCHETING WRENCH 1-1/2"" - SPLINE FRACTIONAL SPLINE WRENCHES CAN BE USED ON FRACTIONAL 4 6 12 POINT SPLINE AND TORX FASTENERS. THE CHROME-VANADIUM SWITCH LEVER ALLOWS FOR EASY CHANGES IN TURNING DIRECTION WHICH HELPS IMPROVE SPEED. 15 degrees ANGLED OFFSET BOX END HELPS KEEP SHANK CLEAR OF OBSTRUCTIONS. ANTI-SLIP DESIGN (ASD) OPEN END. BLACK CHROME FINISH IS AND VISUALLY DISTINCTIVE.