Rubber Threshold Ramp, 5 cm Rise Threshold Ramp Doorway, Recycled Rubber Power Threshold Ramp Rated 15 tons Load Capacity, Non-Slip Surface Rubber Solid Threshold Ramp for Wheelchair and ScooterRubber Threshold Ramp, 5 cm Rise Threshold Ramp Doorway, Recycled Rubber Power Threshold Ramp Rated 15 tons Load Capacity, Non Slip Surface Rubber Solid Threshold Ramp for Wheelchair and Scooter Product Features Smooth Transition & 1 Channel Design Our 2" rise ramp with channel design creates a smooth transition over any door, entryway, or uneven threshold surface. The reserved channel underneath allows cables to pass through without getting crushed