2.5x3mm silver plated brass crimp tube components by Beadalon®, 2mm inner diameter. Size 4. About 74 pieces per 0.1oz. Antiqued silver plate is a thin surface layer of silver that has been darkened to provide a "distressed" (oxidized) appearance. Use to finish the ends of necklaces; slip over the ends of your cord, then flatten with flat-nose pliers or crimping pliers. Works on 0.66-.091mm (0.026"-0.036") diameter wire.