Ronstan 5/16 inch Bow shackle, as used on Hobie Catamarans for attaching Shroud and Forestay Wires high up the mast to Hound fitting
Ronstan Shroud / Hound Bow Pin Shackles are used for attaching shrouds, forestay and jib halyard to your mast. Put this shackle through the bottom hole of your Mast Tang.