Pipe Threading Machine Maximum Compatible Pipe Size 4 in Minimum Compatible Pipe Size 1/4 in Motor Type Induction Horsepower 1 1/2 hp Number of Speeds 2 Free Speed 12 RPM 36 RPM Tool Series 1224 Includes (2) Dieheads Wheel Cutter Reamer 3/4 in Comb 3/16 in Hex Key 7/32 in Hex Key 1/4 in Hex Key Tool Box Nu-Clear Oil Wrench Voltage 120 V Phase Single-Phase Chuck Type Manual Through-the-Head Oiling Yes Thread Standard of Included Dies NPT Maximum Bolt Size 2 in