1000pc cotter pin has 6 sizes: 1/16 x 1, 3/32 x 1,  3/32 x 1-1/2, 1/8 x 1-1/4, 1/8 x 2  and  5/32 x 2-1/2, which can be used for different place.  Packing in one plastic box that is good for sale in supermarket.  The size can be found in the color card attached in the box. The goods is wide used in the factory, farm and home.