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 has a variety of sizes, which are 1/8" X 2" (50), 5/32" X 2-1/2" (30),3/16" X 3" (20), 1/4" X 2" (25), 1/4" X 3" (15), 5/16" X 2-1/2" (10).