24x18mm oval stainless steel tube.
Mount disks can be removed allowing the handle to be mounted directly to the deck via bolting from under the deck into the threaded inserts welded in base handle.
3 Sizes Available - Dimensions:
Base dia: 57mm
Mount screws: 6mm c/s
Small Cabin Rail - 256mm
Medium Cabin Rail - 333mm
Large Cabin Rail - 483mm