Upgrade your anchoring system effortlessly with the Osculati Rainbow Anchor Chain Markers. These colored plastic inserts are meticulously crafted for simple insertion into chain links, providing an uncomplicated solution for marking calibrated chain segments. Available in Various Options: - White Chain Marker: 6mm (14 inserts), 8mm (10 inserts), 10mm (8 inserts), 12mm (8 inserts) - Blue Chain Marker: 6mm (14 inserts), 8mm (10 inserts), 10mm (8 inserts), 12mm (8 inserts) - Yellow Chain Marker: 6mm (14 inserts), 8mm (10 inserts), 10mm (8 inserts), 12mm (8 inserts) - Red Chain Marker: 6mm (14 inserts), 8mm (10 inserts), 10mm (8 inserts), 12mm (8 inserts) - Green Chain Marker: 6mm (14 inserts), 8mm (10 inserts), 10mm (8 inserts), 12mm (8 inserts) Each set is meticulously designed to mark 25 cm of calibrated chain, facilitating easy determination of the deployed chain length. These robust and highly visible markers serve as essential tools for boaters, enhancing safety and convenience during anchoring maneuvers.