Factory-Reconditioned SKIL HD77M-46 7-1/4-Inch 120-Volt Mag Worm Drive Saw Reconditioned Skil Products have a One-year warranty through the Skil factory or an authorized service center 13-Amp motor, 4,400 RPM Light magnesium housing provides durability - 3lbs. Lighter than the HD77 Precision machined worm drive gears for maximum power