Vestil Wheel Riser — Aluminum, 108in.L x 24in.W x 8in.H, Model# ATWR-24-8-108

Elevates semi-trailers to loading docks for maximum serviceability during loading and unloading operations. Sold individually. U.S.A. Load Capacity (lbs.): 15,000, Material Type: Aluminum, Drive Surface Width (in.): 24, Tire Height (in.): 8, Ramp Length (in.): 108, Incline (deg.): 10%, Ramps (qty.): 1, Overall Dimensions L x W x H (in.): 108 x 24 x 8 84in. level length 30,000-lb. capacity per pair Heavy-duty aluminum treadplate for positive traction Designed to facilitate compliance with OSHA requirements for a 10% maximum grade of ascending or descending loaded fork trucks

Vestil makes this product and sells it through Northerntool. Just click to buy it online.