Antique Bronze Frame Settings 4.1x3.3mm, (fits 30mm) 5pcs

Approx:4.1cm x 3.3cm(1 5/8"x1 2/8")
Hole size: 6.6mmx4.4mm( 2/8"x 1/8") Thickness: 7mm( 2/8"

Zinc metal alloy(Cadmium Free)

Depth of Setting:2mm(1/8")