Power threading machine model 535 maintains the ruggedness of the industry workhorse while adding the features that makes the threading operation more productive. A large chip tray and oil reservoir make the 535 ideal for longer uninterrupted threading. Generous top cover for keeping tools and fittings handy. SPEED CHUCK™ with rocker-action jaws centers and grips work piece instantly. Spindle speed is 36 RPM standard. 17-gauge steel walls and welded construction. Two internal and one external storage shelves. Cut-outs for power cord and foot switch storage.