The 3cm edge reduce the risk of veering off the ramp. Protective rubber reduces the risk of getting fingers caught when folding the ramp.
The positioning mark at the upper end of the ramp ensures safety.
Can be more easily repaired by users.
Not only the surface is adhered in section for easy maintenance, the handle is screwed in for easy replacement. Also, the rubber on the upper and lower ends is attached with double-sided tape for easy replacement.