Guardian S-368-1500 Dual Runner Shed Ramps-750lb. Capacity Easily load a riding lawnmower, snow blower, or ATV into a shed or garage 3-1/2" rung spacing for smaller wheels with a serrated texture for added traction Features a full width 4" L attaching lip with pre-drilled holes for optional permanent mounting Manufactured from lightweight aluminum with a 750 lb. per axle weight capacity Sold in pairs; each ramp measures 36" L x 8" W Easily load a riding lawnmower, snow blower, or ATV into a shed or garage 3-1/2&#034; rung spacing for smaller wheels with a serrated texture for added traction Features a full width 4&#034; L attaching lip with pre-drilled holes for optional permanent mounting Manufactured from lightweight aluminum 750 lb. per axle weight capacity Sold in pairs