The record power rpbg6 bench grinder is a 150mm bench grinder with a smooth running induction motor now in the green and silver livery of this premium machine and boasting a five year guarantee this compact 150mm bench grinder features a quiet smooth running powerful 370 watt induction motor to ensure smooth running and optimal performance adjustable tool rests and spark guards complement two kinds of grinding stone a 20mm grey wheel and a 40mm wide whitestone with a fine grit for more delicate