The Link Manufacturing 42" Wide Aluminum Bi-Fold Ramp, No. LB20-42-108SA, measures 108" in length and has a capacity rating of 1,250 lbs. It features a steel deck mounting plate and can be used on vehicles with deck heights ranging from 20" to 48" and door heights exceeding a minimum of 60". When folded in upright position, the ramp takes up less than 12" of horizontal space. The ramp comes standard with Link’s unique spring assist and wheel kit. The spring-assist makes deploying and retracting the ramp simple and easy. The wheel kit helps transition the ramp smoothly when deploying it on a wide variety of surface angles and materials.