Creates a smooth transition over uneven threshold surfaces Great for wheelchairs, scooters, walkers, canes, and foot traffic Pre-drilled mounting holes, some assembly is required Maximum 600 lb. capacity Durable all aluminum construction will not rust 1" Wheelchair Threshold Ramp. Creates a smooth transition over uneven threshold surfaces. Great for wheelchairs, scooters, walkers, canes, and foot traffic. Modular design with pre-drilled mounting holes, some assembly is required. Maximum 600 lb. capacity. Durable heavy duty all-aluminum construction will not rust. Non-slip high traction surface. Designed for doorways, thresholds, patio doors, and landings. Includes hardware for assembly and surface anchoring. Adjustable height of 3/4" to 1.25"H, with an overall 34" width. Length is 4-7/8" to the top flap or 6-5/8" including the top flap.