https://www.s3i.co.uk/bow-shackle-screw-pin-essential-range.php
Bow Shackle - Screw Pin - Stainless Steel | S3i Group
Bow Shackle with Screw Pin. 316 marine grade stainless steel. High quality bow shackles with 4mm to 16mm pin, Essential Shackle Range.
bow shacklestainless steelscrewpingroup