Ridgid 91142 Model 535A 120V 1/2" - 2" NPT Automatic Threading Machine Only Cutter Model 820 Three Speed Maintains the ruggedness of the industry workhorse while adding features that make the Threading operation more productive. A Large chip tray and oil reservoir make the 535A ideal for longer uninterrupted Threading. The 535 features a High clearance carriage that makes the Threading operation easier and a generous top cover area that is ideal for keeping tools and work related materials Handy. The 535A is designed around maximum uptime With the upgrades that matter most to the pipe working professional. The model 535A Automatic Threading Machine features a 2 HPsingle-phase120V60 Hz20 Amp Reversible Induction motor and 3-speed Transmission. Generous top cover are for keeping tools and Fittings Handy. Can be used With Geared Threader Model 141. Automatic Threading Machine uses Model 816/817 semi-automaticModel 815A self opening or Model 811A quick opening die heads. The 535A also features length gauge for quickaccurate cut-off.