The product is a pack of 10 5/8"-11 zinc plated steel hex nuts with a Grade 2 rating. These nuts have a UNC thread type and a coarse thread style. They are nylon insert lock nuts, designed to be used with bolts that have a 15/16" drive size. Manufactured in the United States, these nuts have a height of .765" and are finished with electro zinc and clear. Ideal for various industrial fastening applications, these fastenere nuts offer reliable security and performance.