The Ultralight-combi 2.1m Portable Extendable Channel Ramp is a wide, urable wheelchair & scooter ramp for stairs, steps, thresholds, kerbs, curbs, cars & vehicles. Best Quality, Prices & Fast Delivery. An original, branded, finest top quality, versatile, compact, aluminium, lightweight & durable wheelchair & mobility scooter ramp wth added grip & handles. Perfect for indoors, outdoors, stairs, steps, kerbs, curbs, vehicles, doors, cars & thresholds.