You can also check Silver Spring 1-1/4" High, 32" Wide Solid Aluminum Mobility Threshold Ramp and Silver Spring Aluminum Wheelchair Access Ramp - 4' L for a better comparison at Rampi.biz.

Folding Portable Non-Slip Description: This Portable Aluminum Threshold Wheelchair Ramp great for wheelchairs, stairs, porches, into side doors aluminum is non-slip, non-rust and water -proof that any means less weight less with fixed to each side aluminum thus large you Wheelchair just two together.
Features: for wheelchairs, scooters, motorcycles, bicycles Two each you from falling off the proof surface to prevent in weather and aluminum construction weather Folds use easy storage Easy to set up and use Safety are attached to to secure the Together when as as provided mechanism to secure.
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