Spinlock ZS-MNT1618 mounting plate for ZS coupler The Spinlock ZS-MNT1618 mounting plate is an essential component for mounting a ZS coupler to your boat's mast. The plate is made of high-quality aluminium and features a hardened steel bolt. The plate is designed to hold the hitch firmly in place, even under extreme conditions. The mounting plate is suitable for ZS couplings with a diameter of 14 to 18 mm. The plate is easy to assemble using the tools provided. Features: Made of high-quality aluminium Hardened steel bolt Suitable for ZS couplings with a diameter of 14 to 18 mm Easy to assemble Advantages: Holds the coupling firmly in place Increases safety Is easy to assemble Applications: Sailboats