Ivo Prop, Quick Ground Adjustable pitch Ultralight Prop, 3 blade, max 72 inch diameter, carbon composite. Adjust the pitch on the ground in a matter of seconds by turning the screw adjuster in the center of the prop. Can be trimmed to smaller diameters. Surveyor, Prospector and Explorer use left hand blades. Counter clockwise as viewed from the rear with wind in your face. Right hand available as well. We are an Ivo dealer, and can supply all their products.