High quality Shuffleboard weights are essential to consistent play. Shuffleboard rocks are also referred to as shuffleboard pucks or weights. Shuffleboard pucks are high-polish solid stainless steal not chrome plated. Stainless pucks last much longer than chrome plated pucks which are more common however these cheaper pucks use a chrome plating processes that will tend to chip or peal over time. These are the large tournament size 2 5/16'' diameter, 4 Red and 4 Blue.