4mm Open Jump Rings Box Antiqued Copper, Gold Plated, Gunmental, Platinum, An... About 60 gram, 1860PC/box. Approximately 155 jump rings per compartment, compartments open individually for your convience.. There are 12 compartments, two compartment of each color. Color include antiqued bronze, gunmental, platinum, gold plated, antiqued copper, and silver plated. Size: 4mm, 21 gauge. Box size is 5" x 2"