Super Grinder 3000 3.4HP Rating, Power: 110 Volt,60Hz, 3000 Watts Output, Weights: 13 Lbs 2 Speed - High, Low, Reverse, 1 Stop & Reset Button 3 2-3/4" (Size 12#) Steel Cutting Blads( Fine, Medium, Coarse ) 2-3/4" Output #12 Size Grinding Head Grinds 225 Lbs Per Hour at High Speed, Grinds 155 Lbs Per Hour at Low Speed