Use it to mount curbs or steps up to 5.5 inches high Each unit is 23 inches wide by 13 inches deep to accommodate the widest tires Can hold up to 10, 000 pounds Mounting holes allow a secure fit or you can use them to bolt multiple units together to accommodate wheelchair access These ramps are great for the handicapped, movers, or delivery personnel Durable, heavy-duty, plastic material means these are built to last Product dimensions (L x W x H): 13 x 23 x 5.5 inches Weight: 8 pounds Manufacturer warranty: 90-day warranty