Plastic Male Threaded Handwheel Knobs or Threaded Male Plastic Knob Handwheels, Threaded Plastic Male Hand Wheels, Plastic Handwheels, Handknobs, Thumbwheels, Knobs and Threaded Plastic Wheels. These Handwheels all come with a Bright Zinc Plated Steel Thread and have a wide variety of uses including Chairs, Adjustable Frames, Control Panels and Trolleys.
If you don't see exactly the patttern you need, it's also worth clicking through on this link to our Adjustable Feet as there's a few designs within that range that could be used as Thumbwheels. 
