Vevor Threshold Ramp Upgraded 4" Rise Rubber Door Ramp with 1 Channel NewThe Vevor upgraded rubber threshold ramp creates a smooth transition over doors, entryways, curbs, and uneven surfaces. Its solid natural rubber construction supports up to 15 tons while providing a durable, non slip surface for wheelchairs, scooters, and vehicles. A built in cable channel helps protect wires from being crushed during use. The one piece design requires no assembly and works well for home, garage, garden, and barn access.