Multi-compartment plastic storage case. Includes wide range of products. Contains product assortment map. Includes most popular sizes. Easily moves from job to job This 144 piece kit contains cotter pins in sizes: 1/8" x 2", 5/32" x 2-1/2", 3/16" x 3", 1/4" x 2", 1/4" x 3", 5/16" x 2-1/2".