Complete multiple designs with the sterling silver 5mm spring ring closed loop bulk pack. Sterling silver spring rings are a staple item in every jewelry maker's bead box. Their simple design is sure to work with any project. These spring rings feature a small yet versatile 5mm size, making them excellent for use in dainty necklaces and bracelets. The closed loop attached to the side makes for a sturdy connection point. This bulk pack includes 50 spring rings.