Reference: 230378-10pcs
10 pieces adjustable steel ring with M2.5 thread - small bead
INTERCHANGEABLE RING FOR SMALL BEADS! Please use it with max. 20-25mm cabochon. 10 piece stainless steel adjustable ring for glass cabochons with M2.5 screw nuts inside. The ring's inner diameter can be adjusted from 16 mm to 21 mm (it is the suggested maximum - although you can make it larger, we advise against it). The ring itself is 6 mm wide. The M2.5...
