Neary Model 440 Rotary Grimder. Sharpens all types of blades including Standard Desgin & Mulching Styles. Industrial 1/2 HP 3450 RPM Motor, totally enclosed for long life. Precision Balanced, 8″ X 1″ Aluminum Oxide Grinding Wheel. Guide adjusts for blades sharpened from 20 – 40 degrees. Sharpen blades that rotate clockwise & counter-clockwise. Wheel Dressing Brick, Blade Balancer with every unit. GOGGLES NOT INCLUDED.