Incredibly strong and rigid, these rail mounts will not slip on the rail. They have a unique pivoting design which allows them to attach to curved rails or across the corner of a stern rail. Made of 18-8 stainless steel and 356 hard anodized aluminum, they instantly detach without tools for compact storage leaving no hardware on the rail. NOTE: Not for use with the A10-801 “TrailMate" Connoisseur Series Gas Grill.