"Entry into your home or business will be safe and easy with the EZ-ACCESS® TRANSITIONS® Aluminum Modular Threshold Ramp. This threshold ramp provides a smooth transition for those using wheelchairs or scooters and eliminate trip hazards. Manufactured from lightweight aluminum, this ramp has a modular design to work with a wide range of doorways, raised landings, and sliding doors. It also features a removable channel-mounted flap to provide a smooth transition over a height difference of up to half an inch, and it comes with a 700 lb. weight capacity. This ramp can accommodate rises between 4.75"" to 5.25"" high."