This is for one (1) quality marine grade stainless steel (AISI 316) trapezoid quick link 9mm. The imperial equivalent of this link is generally considered to be 3/8". Each quick link is marked 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. Breaking Load = 10800lbs