This new heavy-duty RPM controller offers variable speed adjustment for compatible power tools, allowing users to fine-tune rotation speed for greater precision in drilling, sanding, or cutting tasks. Its robust construction is suited for demanding workshop use. The item is sold new and ships with free shipping. It is a practical accessory for DIY enthusiasts or professionals seeking enhanced control over their tools for materials like wood, metal, or plastic. Note that specific compatibility with your tool model, dimensions, or wiring requirements should be confirmed. Always check the listing for full technical details and specifications before purchasing. Heavy Duty Variable Speed Power Tool RPM Controller. Condition: New. Listed at 61.59 USD. The variable speed dial allows for full horsepower and torque at all speeds from 0 to full RPM. Allows for full horsepower and torque at all speeds from 0 to full rpm. 120V AC or 15 Amp Motor. NOTE: Don’t use on BRUSHLESS Motors.