Each system includes instructions, four OR16 Pro Snap Weight Clips, four split rings, two of each of the following Pro Guppy Weights: 1/2 oz., 3/4 oz., 1 oz., 1 1/2 oz., 2 oz., and 3 oz. All contained in a plastic tackle box. This system is used off of flat lines, dual & triple planer boards and side planer boards as snap weights or in line weights.