Iron Jump Rings.
Jump Rings are rings used to make chain, attach charm or clasp on your jewelry project. You may need different sizes of jump rings and box with jump rings is best solution for it. Every slot can open separately or just take top off to open full box. Different sizes are in one box. Easy to store.
Size: 4~10mm diameter, 0,7~1mm thick.
Colour: Antique Bronze.