"The Black Widow 108"" 4-Beam support system is engineered for loading motorcycles and ATVs with a maximum combined capacity of 1500 pounds when using the center and side sections together. Each of the 3 pieces feature evenly spaced, slip-resistant rungs, fold in half for storage, have a solid plate attaching lip, and bolt together for added stability. Five safety straps are included to prevent ramp kick-outs and to restrict side-to-side movement during loading / unloading."