QualityParts From Oregon That you can depend on. 1 HP, 1750 RPM motor: Sharpens extended cut blades (up to 9" of sharpened edge); Reversing switch allows grinding in both directions; Adjustable light included; Safety switch and easy height adjustment; 10" heavy duty grinding stone; Includes Oregon 88-049 grinding stone Oregon Equipment Parts 88-018 BLADE GRINDER 1 HP MOTOR