Capacity: Pipe: 1/4" - 4" (6 mm - 100 mm), 4" - 6" (100 mm - 150 mm) with 161 Geared Threader Bolt: 1/4" - 2" (6mm-50mm) Features ‧Threads 1/4"-2" pipe at 36 RPM and 2-1/2"-4" at 12 RPM ‧The 1224 threads a wide range of pipe including black, galvanized and plastic-coated pipe, together with stainless steel, IMC and heavy-wall conduit. ‧An induction motor helps insure sounds levels well within the limits set by the regulating authorities Technical Specifications: ‧Motor: 1-1/2 HP, single-phase, 60 Hz or 50 Hz, induction type ‧Spindle Speed: 36/12 RPM ‧Motor Control: Reverse/off/forward, heavy-duty rotary-type and integral foot switch ‧Gear Box: Two-speed gear box 3:1 ratio ‧Chuck: Hammer-type with replaceable rocker-action jaw inserts ‧Rear Centering Device: Cam-action ‧Oiling: Through-diehead ‧Pump: Self-priming, gerotor-type, automatic-reversing, constant flow