Right-angle, side drive gear box. 9-in long aluminum support rod for attaching to a clamp holder or flex-frame. Polished aluminum case. 10mm stainless connecting rods on in/out drive. Can easily be used with ACE 8081 Flex-Shaft and either 8126-10 or 8124 chucks. Using a Flex shaft allows for use with any stir motor. At 3000 rpm expect 20,000 hours at 25 inch/lbs or torque and 340 hours at 32 inch/lbs. Backlash of only 1 degree. Gearbox itself measures only 3.5 inches square by 1.5 inch high.