560 Piece cotter pin hardware kit. Made of Steel with a Cadmium plate finish. Comes in a convenient re-sealable plastic case. Hardware kit contains 6 different sizes of cotter pins. Great for shop or home use You can never have to many cotter pins! This cotter pin kit is just the thing you need for any job you may encounter. The kit includes a variety of sizes, which are 1-1/8", 1-1/4", 1-1/2", 1-3/4", 2" and 2-1/2".