The product is a 100 pack of NAS1801-3-4 aviation aerospace fasteners, specifically the 5305-01-132-3357 model. This pack includes 100 new old stock (NOS) items, making it a convenient purchase for those in need of these specific parts for their aircraft or aerospace projects. With the focus on aviation and aerospace, this product is designed to meet the needs of professionals and enthusiasts in these industries. Shipping to lower 48 usa