Description: Very practical orthodontic button chain, made of great material, safe and convenient. Features: Traction hook with mesh base allows light to fully penetrate for a secure, strong bond. Metal pad is encased within polymer base for exceptional retention and durability. The traction chain can be tied to the arch-wire with elastic thread or tubing to provide traction in the desired direction. Made of stainless-steel, durable and safe. Swivel allows traction from 360. Specifications: Name: Orthodontic Button Chain Material: Stainless-steel Color: Silver Quantity: 2PCS Package Size: 3 * 3 * 1cm / 1.18 * 1.18 * 0.39in Package Weight: 1g / 0.03oz Package List: 2 * Orthodontic Button Chains