PART# Q4476 5 Capacities: 32,000; 23,500; and 20,000, 15,000 and 10,000 lbs.maximum per axle. 32,000 lb. max per axle ramp in 18″ and 20″ widths 23,500 lb. max per axle ramps in 18″, 19″, and 20″ widths. 20,000 and 10,000 lb. max per axle ramp in 16″ width 15,000 lb. max per axle ramp in 18″ & 20″ width All ramps are 8 feet in length All ramps have pin ends for secure connection to the trailer (requires Skid Seat) and stands 20,000 & 32,000 lb. max per axle rated ramps are 6 inches thick, others are just 5″ thick Converts to a Leveler with the use of optional stakes Three lumber clips per ramp required when used as load levelers. May be hung from beneath your trailer for easy transport using optional hanging system