14K White Brick Design Box Clasp 2 mm Gauges & Calipers Designed for use with 3M

Designed for use with 3M 7500 Series half-face respirators

one required per installation)

Suitable for comparative karat testing using reference needles or known gold samples

this is normal and expected

14K White Brick Design Box Clasp 2 mm Gauges & Calipers Designed for use with 3MThis 14K white gold box clasp features a classic brick design with an integrated safety, offering a secure and refined closure for fine jewelry chains and bracelets. The compact 2 mm profile keeps the clasp discreet and well proportioned on delicate pieces, while the box and tongue mechanism delivers a confident snap closure that holds firmly during wear. Features 14K white gold construction for lasting quality and bright finish Brick design detailing