4KW, 360-400V,3P; Disc 400mm; N.W: 125KG; Water and Vacuum port; Height can be adjusted. Detailed Product Description: Ideal for 1, Smoothing rough surfaces or trowel marks; 2, Repairing damaged concrete slabs; 3, Removing epoxy thin-coats; 4, Grinding sharp grout, mastic, flint and granite; 5, Leveling and smoothing uneven surfaces. Performance 1, The height of handlebar can be adjusted; 2, Vacuum outlet and rubber skirt prevent dust from entering the machine; 3, Circuit breaker protects the machine from motor overload; 4, Mounting discs are connected by rubber pads, to avoid the slight vibration which is caused by wear of gear wheel; 5, Foldable hand makes transportation and storage easy and compact. Inside:high density polyethylene pallet outside: carton.