Lewmar Anchor Lock This Lewmar Anchor Lock is composed of polished stainless steel. It locks the chain or shackle in place using a quick release 14 diameter captive pin. With a corrosion prevention electro-polishing technique, you can quickly secure your anchor without having to stow it in the locker or tie it off with a rope. This anchor lock allows quick release of anchors on bow rollers of 20 - 50 boats. Features Locks Chain Or Shackle In Place Using Quick Release 14 Diameter Captive Pin Corr