Our MaxxHaul Detachable Ramps have a unique detachable feature that allows you to remove the ramp section to free up space under the vehicle. The detachable feature also allows you to extend the ramps' overall length by adding sectional extensions (sold separately). Our ramps are made from industrial-grade PP material, these ramps have a maximum capacity of 13,000 lbs per pair (6,500 lbs per ramp) and only weigh 33 lbs. The runner section of the ramps has a protruding tab that goes into the notches of the front section of the ramp that connects and seats them securely. Built-in handle on the side for maximum portability. Always place the front section of the ramps on a hard, smooth, and level surface. Do not use it on an uneven surface, sloped, dirt, grass, sand, gravel, or any other loose or unstable surface. Ramp incline angle: 9.5" degrees; Lift height: 6.3"; Overall dimensions: 51.2" x 15" x 8.25". Ramp weight: 33 lbs.