For using the Roll-N-Go PWC Shore Ramp in extremely shallow water or tidal areas, attach this optional 8' long extension to your Roll-N-Go Ramp (item #86984 sold separately). Features welded aluminum construction with stainless steel hardware. PWC easily slides up the Roll-N-Go on nonmarking easy-glide rollers and a 4" self-centering keel roller. 1000-lb. capacity. Not recommended for areas with over a 2-1/2' rise.