Nitinol Open Coil Springs, Variable Force Spring, .010" x .036", 15"/Spool, 016440551036210

Nitinol open coil springs designed for orthodontic use, featuring a variable force design that provides controlled, consistent force for space opening and maintenance. Each spool contains 15 inches of spring with a .010" wire diameter and .036" outer diameter, allowing clinicians to cut custom lengths as needed. The nickel-titanium construction offers excellent flexibility and shape memory for reliable performance throughout treatment.