This 66-piece Seachoice Stainless Steel Cotter Ring Kit contains strong, durable Cotter Rings that will secure all the most popular sizes of Clevis Pins (sold separately). This kit includes Cotter Rings to secure 3/16-inch (20), ¼-inch (20), 5/16-inch (10), 3/8-inch (10) and ½-inch (6) Clevis Pins, providing security and peace of mind. The Cotter Rings are packaged in a container that measures 4 inches W x 6 ¾ inches L x 1 inch H. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.