This is for one (1) quality marine grade stainless steel (AISI 316) Diamond Pad Eye with Ring 8mm. Each pad and ring is stamped 316. The ring wire diameter is 5/16" (8mm). 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.