The Net & Gaff Holder for the rail system has a tough base mount made from UHMW with a nylon thumb screw for locking it in position on the rail. The top hoop is constructed from Starboard the internal diameter of the hoop is 1.5". The base mount is black but the hoop can be either white or black specify when ordering. This holder is designed specificly for our rail system but we also have net and gaff holders that direct mount to the vessal they are part MMP-1013 and they do not mount to the rail.
