The product is a pack of 100 large diameter stainless steel fender washers, measuring 3/4 inch in diameter with a #10 hole size. These washers are designed by Bear Fasteners and are made of 18-8 grade stainless steel, providing durability and resistance to corrosion. Perfect for various industrial and hardware applications, these fender washers offer a reliable solution for fastening and sealing tasks with a large diameter design.