Threading specifications:1/2"-2"(bspt or npt) Motor:Concatenated 1800w, 220-230v~50hz. Switch:Heavy-load switch, complete with dafety lock, cut-off and normal-reverse switches.
Reduction gearbox:Box body cast with aluminum alloy, ever-lasting lubricating. Body:Plastic shell and handle hardened by durable heavy-load fiberglass.