The 4" rise transitions modular entry ramp for doorways is up to 2200 lbs load capacity. All recycled rubber construction, a grooved slip-proof surface, 3 channels cord cover, and no-tool assemble for the stably and securely pass by wheelchairs, scooters, walkers, and motors. Household cars to pass through are also acceptable. | Vevor | | Rubber Threshold Ramp, 4\" Rise Threshold Ramp Doorway, 3 Channels Cord Cover Rubber Solid Threshold Ramp, Rubber Angled | Black | Best Buy