Gold & Platinum 7.1mm Guardian II Positive Locking Earring Backs Metal Types:14K White Three-stage filtration: dust pre-filter →

Three-stage filtration: dust pre-filter → HEPA → 2" charcoal stage matched to application

Cast construction with hand-polished finish

000 RPM Recommended Use Yellow gold

1 mm OD): 210-304

Gold & Platinum 7.1mm Guardian II Positive Locking Earring Backs Metal Types:14K White Three-stage filtration: dust pre-filter →The Guardian II Positive Locking Earring Back is a large, secure clutch system designed for professional jewelers and their clients who demand reliability. With a 7. 1mm outside diameter and comfort triggers, these ear nuts provide a positive locking hold that requires simultaneous pressure on two tabs to release keeping earrings firmly in place during everyday wear. Sold by the piece. To purchase a pair, order 2 pieces. The Guardian II differs from