Portable Pipe Threading Machine Maximum Compatible Pipe Size 2 in Minimum Compatible Pipe Size 1/2 in Motor Type Standard Horsepower 1 hp Number of Speeds 1 Free Speed 40 RPM Tool Series Ropower 50R Includes 1 gal ROCOOL oil Safety Foot Switch (4) Legs Voltage 120 V Phase Single-Phase Through-the-Head Oiling Yes Thread Standard of Included Dies NPT Maximum Bolt Size 2 in Minimum Bolt Size 1/4 in Die Head Sizes 1/2 in to 2 in Current 10 A