"The RevArc snowmobile ramp by Bosski uses over-sized gate grips for stability and traction control, as well as raised ski guides to prevent your sled from slipping off track. Its tri-fold design folds down to 21"" wide for easy storage, and has a 1,500 lb capacity for even the heaviest snowmobiles. This snowmobile trailer ramp includes 3 ratchet straps and has a limited lifetime warranty."