Quite new style of mooring shackle as substitute for traditional connection of a synthetic tail rope with a wire rope when mooring. Attaching this new type Roller Socket at the end of mooring wire rope you can connect directly to mooring tail rope (Forerunner) by its unique construction combined conventional mooring shackles and wire rope socket. You don’t need to buy standard mooring shackle anymore if this new style roller shackle is attached to mooring wire. Roller shackle is made from carbon and alloy steel with pin and roller which are detachable for connecting tail rope. Normally the roller shackle will be supplied pre-attached to mooring wire rope by factory, but it is possible to attach by ship’s workers using a unique socketing media “Wirelock”.