Boaters, this 316 stainless steel anchor chain is serious quality! It's a 15-foot length of 7mm (1/4 inch) chain that fully complies with DIN766 specifications and has the same dimensions as ACCO 1/4\ BBB chain, so it should work with most standard windlasses. The 316 grade stainless is what you want for marine environments - it resists rust and corrosion incredibly well, even in harsh saltwater conditions. Every 3 feet, the links are actually hallmarked and stamped with 316 so you know it's the real deal. This chain replaces the Suncor S0601-0007 too. The important dimensions for windlass compatibility are 7mm diameter, 22mm inside length, and 25mm outside width (that's 1/4\ by 0.86\ by 0.98\ in imperial). The package includes two quality shackles, so you've got everything needed to connect it to your anchor and windlass. Whether you're replacing old rusty chain or setting up a new anchoring system, this is professional-grade stuff that'll last seasons without corroding or weakening. Perfect for sailboats, powerboats, or any marine application where you need reliable, corrosion-resistant heavy-duty chain.