1.3x1.4mm gold plated brass crimp tube findings by Beadalon®, 0.8mm inner diameter. Size 1. About 470 pieces per 0.1oz. Use to finish the ends of necklaces; slip over the ends of your cord, then flatten with flat-nose pliers or crimping pliers. For use with 0.25-0.33mm (0.010-0.013") cording and #65-011 micro crimping pliers.