Never installed has some minor scratches on bottom and a loose spot on the traction on the underside could be glued back down see Photos Maximum 1.5″ – 2″ rise for occupied wheelchair or scooter passageGreat for transitioning doorways, thresholds and a low stair600 lb. weight capacityDesigned for doorwaysMade of lightweight, durable aluminumHoles punched in top corners for easy installationAnti-slip, high traction surfaceHardware provided to secure ramp to surface.