RAILBLAZA Rail Mounts are simple to use mounts, allowing the easy attachment of RAILBLAZA accessories to kayak, marine, and recreational sport rails. The Rail Mount 32-41 can be mounted onto any 32-41mm (1.25-1.7'') round or square rail. The 32-41 is the preferred mounting base for the rail system on the Hobie Adventure Island and Hobie Pro Angler. All Rail Mounts come complete with adaptors, rubber grips and self-adhesive grip tape. As always, this complete kit comes with all stainless steel installation hardware and installation instructions.