crafted from 316 stainless steel, this anchor lock is to seawater, salt , and humid environments; It is designed for long-term use at sea, offering rust-proof protection to reliability and aesthetics each package includes 2 stainless steel anchor locks, each measuring about 4 x 1.5 x 1.5 inches; Their size is suitable for use where space is limited, providing flexibility for various applications on yachts and boats the stainless steel anchor lock is designed to handle high-tension anchor chains and withstand severe wave impacts; It features a mechanical structure that helps prevent wear and deformation, extending the overall service life installation is straightforward without requiring any drilling or welding; This stainless steel anchor lock allows for quick and easy application, making it user-friendly for most people suitable for small and medium-sized yachts, sailboats, and fishing boats, this anchor lock accommodates different types of vessels, providing secure anchoring solutions across marine environments Features: Functional, strong and stylish, the anchor lock, which is made of 316 stainless steel, quick release 5/16 inch pin locks chain or shackles in place and secure anchor against accidental deployment. Quick-release 5/16" pin locks chain or shackle up to 7/16" Anchor lock made from 316 stainless steel, are built to outlast those made from other materials. It's particularly beneficial in warmer tropical waters, dealing effectively with saltwater . Specifications: Material: 316 stainless steel Color: silver Size: about 4 x 1.5 x 1.5 inches 2 x Anchor lock Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Package Contents: 2*pcs Anchorlock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.