has 3 extension tubes and an adjustable dial to set pin depth.
Carpet Stretchers for sale
Carpet Tools
HF tools Adjustable Carpet Stretcher : Arts, Crafts
Power Stretcher Accessories –
Printable Price List : Flooring Tools & Installation Supplies
Magnusson Carpet Stretcher Worldwide Shipping
Better Tools Power Carpet Stretcher
Roberts 10-258 Power Stretcher Tail at MechanicSurplus.com
Carpet Stretching Tools - Professional Carpet Installation Tools