This is for ten (10) quality marine grade stainless steel (AISI 316) pear shape quick link 1/8" or 3.5mm. Each quick link is stamped 316. 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 for a long service life. Working Load Limit: 286 Lbs