The New L31S7 Grinders Made for heavy-duty grinding. Coating Removal, Prep for Epoxy, Grind and Seal, Polishing. Do it all with L31S7 Floor Grinders.Work width: 30.8″ / 783mmVoltage: 3 phase, 200-240V, or 400-480VMotor Power: 20 HPWeight: 1124 lbsGrind pressure: up to 834 lbsHeads: 3 x 13.2 in Available at Lavina distributors. GRINDER SPECS