STANLEY® 89-962, 3/8″ DRIVE ROTATOR RATCHET UNIQUE TWIST HANDLE TECHNOLOGY WITH 0o TWIST ARC SWING ALLOWS ACCESSIBILITY IN TIGHT SPACES. 60-TOOTH GEAR SYSTEM FOR LOW RATCHETING ARC SWING AND HIGH-TORQUE RATCHETING. QUICK RELEASE MECHANISM TO LOCK SOCKETS ONTO THE DRIVE DURING OPERATION AND ALLOW EASY CHANGEOVER. REVERSIBLE MECHANISM FOR FORWARD AND REVERSE TRANSITION. BI-MATERIAL ERGONOMIC HANDLE DESIGN FOR GRIP AND COMFORT.