This ramp is Versatile and can be used for all types of equipment. With a 1500 lb rating, the arched design adds strength and allows loading of machines with minimal ground clearance. Traction is handled by welded serrated rungs spaced at 3.5". This design works well with both knobby and smooth tires. The advantage of a ramp pair is that it can accommodate any width two wheel drive ATV or motorcycle. Each ramp is 11.25" wide and is constructed strong but light weight aluminum. Push button safety straps are standard, and when not in use these ramps fold down to 45". Ideal for youth or sport quads. Not recommended for UTV's or bigger equipment.