●Size: Aluminum Ladder Unfolded Size: 71.6 x 11.6 x 2.4 inches (182.5 x 29.5 x 6 cm); Folding Size: 36.6 x 11.6 x 5.9 inches (93 x 29Two handles make it easy to carry and space saving bike ladder. Recommended Height: 21.7 inches (55 cm). Load Capacity: 550 lbs (250 kg) ●Lightweight and long lasting: The material is lightweight aluminum alloy, making it lightweight and high strength. The hinges and welds are made with a special process that allows you to fold it over and over again without any breakage even after unfolding, making it last longer. Product weight is about 7kg. In addition, the aluminum has high strength, toughness and resilience, making it safer to use ●Excellent anti-slip performance: The ladder rail has a convex design on the surface for excellent anti-slip performance and aesthetics. Angled on both ends allows you to easily move motorcycles and other items to a truck ●Special Design: The hook on the head allows it to be firmly fixed to the track, and it can be snagged by the nail, preventing it from slipping, making it safer and more stable. This set of 2 can be used on 4 wheelers, and has a wider range of applications ●Multi-purpose Ladder Rail: Easy to install, please freely choose 2 pieces according to your use. The load capacity of a single unit is 550 lbs (250 kg), and is suitable for bicycles and motorcycles. If you purchase two or more motorcycle ramps, the load capacity is 110.4 lbs (500 kg), and it can be used on heavy machines such as ATVs, lawn mowers, wood blowers, mini boats, garden tractors, trailers, country planting machines, dumps, heavy trucks, yumbo and roller tillers, dirt bikes, and other heavy machines, ensuring safety during use. Easy to store when not in use. (Note: People should not ride on equipment when climbing or descending the ramp. Our products have a warranty period of one year, and the human damage is not within the warranty period. )