A practical portable electric threading machine, suitable for flexible field work. It is easy to use and allows quick head exchange, the reduction adaptor for smaller heads has a lock to prevent accidental release. Gearbox made of Al-alloy. Voltage 230 V/50 Hz, power input 1,350 W, spindle speed during cutting 18 – 28 RPM, reverse speed 51 RPM, direction of rotation selected with mechanical gear control. Set in a plastic case contains the threading machine, cutting heads with blades 1/2", 3/4", 1", 1 1/4, 1 1/2" and 2" and a pipe fixation clamp.