Chaton Crystal Rhinstone Blk Diamond PP32 (4.00-4.10mm) Glass rhinestones offer excellent light reflection with a pointed front and back and additional flash created from the foil back. Foil colour varies. Machine-cut for consistent size and shape. Ideal for use with polymer clay and Apoxie® Sculpt. Size PP32 (4.00-4.10mm), approximately 4.1-4.2mm.