Nitinol Open Coil Springs, Superelastic Force Spring, .012" x .045", 15"/Spool, 016440551245210

Nitinol open coil springs are superelastic orthodontic force springs used to open space between teeth during archwire treatment. Each spool contains 15 inches of spring with a .012" wire diameter and .045" coil diameter, allowing clinicians to cut custom lengths as needed. The superelastic nickel-titanium alloy delivers consistent, light continuous force for reliable tooth movement.