Hey boat owners, if you're tired of dealing with rusty, corroded anchor chain, this 316 stainless steel windlass chain is about to change your life! This isn't your average chain - we're talking serious marine-grade AISI 316 stainless that laughs at saltwater and harsh conditions. The 1/4\ ISO G4 specification means it's built to exacting standards and fits most modern windlasses perfectly. You get a solid 20 feet of chain plus two quality 5/16\ bow shackles to get you set up right. The dimensions are spot-on at 7mm diameter, 21.5mm inside length, and 24.4mm outside width (that's 1/4\ x 0.84\ x 0.96\ for you imperial folks). Every 3 feet, the links are hallmarked and stamped with 316 so you know exactly what you're getting. This stuff is built for smooth operation in your windlass and serious corrosion resistance that'll last season after season. Whether you're anchoring in saltwater bays or freshwater lakes, this chain handles the tough marine environment like a champ. Before you order, definitely check your windlass manual to make sure the specs match, but honestly, this is top-quality chain that outperforms the cheap stuff every time. Your anchor system deserves this upgrade - no more worrying about chain failure when you need it most!