This is for one (1) quality marine grade stainless steel (AISI 316) bow shackle with Hexagonal Sink Pin. Each shackle is stamped 316 and laser etched 5/8" with the manufacturer's mark. The shackles are marked in the US specification style of 5/8" (for the shackle size). The Metric equivalent is generally considered to be 16mm. Not to be used for overhead lifting. 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. It has a breaking load of 17630lbs
