US STAINLESS Stainless Steel 316 D Shackle with Hex Sink Pin 8mm (5/16")

This is for one (1) marine grade stainless steel (AISI 316) D shackle with Hexagonal Sink Pin. Each shackle is laser etched with 316 and the metric size of 8mm. Each D shackle is stamped with the imperial size generally considered to be 5/16". The shackles are marked in the US size specification. A 5mm Allen Key is needed to correctly tighten the pin. 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.