Ridgid 75435 Model 300 230 Volt Power Drive Unit Only 38RPM has a Reversible 1/2" hp Universal motor With a recessed on/off switch. The Power Drive unit 230 Volts is ideal for use With the Ridgid 920 Roll Groovers. The 300 Power Drive has a Capacity of 1/8" - 2" pipe2 1/4"-4" With 141 and 4" -6" With 161 Geared Threaders1/4" -2" rod. Ridgid 300 Power Drive can be converted into a portable Threading machine. The Power Drive features a speed chuck With replaceable Rocker-action Jaws and the spindle speed is 38 reps per minute. The rear Centering devise on the 300 Power Drive has cam-action turns With a chuck and the support bars are Heavy Duty. 300 Power Drive weighs a total of 202 pounds. This model is for Export use and machine is equipped With Special power cord set.