This is for one (1) quality marine grade stainless steel (AISI 316) 10mm M10 eye bolt in heavy duty grade. Each bolt is stamped 316 and 10 (for the size in mm, M10) and laser etched with the makers mark. The eye bolts are additionally marked with 3/8" which refers to the diameter of the material of the ring of the eye, however the bolts are manufactured in the metric specification style of 10mm or M10. 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. Safe Working Load 1430lbs.