Shop Nilight 1Inch Rise Threshold Ramp for Doorways, 39.4Inch Wide Low Profile Cuttable Rubber Wheelchair Access Door Ramp for Doorway, Curb, Home Steps, Bathroom in high quality, support 2 year warranty. This threshold ramps for doorways supports up to 2,000 lbs without compression or cracking, making it safe passage for sweeping robots, wheelchairs, scooters, motorcycles, etc.