Colantotte Magnetic Crest SMART Limited Edition Gift Set Day Gift Necklace, (Premium Silver, Medium, Approx. 47cm), Father's

Size: S (approx. 43cm) Weight: approx. 10.5g, M (approx. 47cm) Weight: approx. 11g, L (approx. 50cm) Weight: approx. 11.5g Maximum top width: 8mm (all sizes) Quality and Materials: Neck loop: Silicon (8 rare earth permanent magnets, 160mT (1600G), arranged in alternating north and south poles) / Top joint: SUS316F Medical device certification number: 226AGBZX00054000 A gift wrapping bag will be included (not wrapped) The CREST necklace's top joint has been made more compact, with a slim 4mm diameter loop. The top joint is polished and ion-plated in all colors for scratch resistance and a beautiful appearance. The silicone loop contains eight 160mT (1600G) rare earth permanent magnets. The weight has been reduced by approximately 48% compared to previous models, making it even lighter to wear.