I hedged and bought 2 6\"-rise ramps for half of my needs and a single \"board-style\" ramp for the other half. I found that always worried that the board-style would slip and drop out on me, whereas I felt a heck of a lot more confident in the reviewed ramps because they are self supporting, end-to-end. I like that there is a \"flap\" piece at the high end (literally, it tilts to meet the surface at the end) to provide a smooth, gapless transition. These ramps are a bit steep for a solo wheelchair, but negotiable with someone pushing. I got them because they fit just right for a set of stairs with long steps (a little over 1 m each), until I can get a proper (more gradual) ramp built. I wasn't sure about the anti-slip ribbing, so I bought some anti-slip tape and put some strips across, and now I'm much more confident with my footing on those wet or snowy days. Oh, the instructions say wear gloves when assembling (burrs and sharp edges galore), and the ramp comes with decent gloves, which was nice because I couldn't find mine. Wrapping the anti-slip tape over the edges helps with that. What I didn't like (and so I subtracted a star) are: 1. the assembly instructions were wrong. There is no way to push the segment together as the instructed. Instead, you can just slide segments in from the end. Whoever wrote the instructions had no hands on experience with this system or copied instructions from a different product. 2. that sliding in isn't always easy. Aluminium is a soft metal so even the decent job of packing can't prevent a corner ding, and the extrusion process doesn't always leave a sufficient gap (not great QA). A screw driver can pry the dinged corners open. Ironically, you can wedge the intended segment into the gap to pry across the entire width if the some or all of the slot is not wide enough to slide the segment in. Don't try to force the segments together, pry the gap open just enough that they slide together easily enough. 3. The set screws
Tom G. 
Ru Igarashi 
