This is a quality marine grade stainless steel (AISI 316) chain ideal for marine applications or where corrosion resistance is required. Great for anchor chain leads and other heavy industrial applications that require corrosion resistance. The link size is 3/8" or 10mm equivalent. This listing is by the foot. Order the number of feet you require. If you want one length of 6 feet, enter 6 in the quantity box, if you want 2 lengths of 6 feet, add the first one to the cart then add a second one etc. If you put 12 in the quantity you will get one 12 foot length. AISI 316 stainless is a premium grade of stainless and is considered by many to be best in class. 316 stainless is corrosion resistant and very durable even in the harshest of conditions. Breaking Load = 11120lbs