... Used for Switch, Relay, or Thermostat, RoHS Compliant Torsion in different directionsMade by CNC spring formersTorsion strength tested by our ... equipmentStrict quality control and managementExported directlyStandard materialResponsive serviceApplications: all kinds of cars, machines, electronic products, electric appliance, cameras, stationery, ... 0.3 to 3mm Wire Diameter and Made of Standard Material