Beadalon Gold-Plated Seamless crimp tube Beads ( Size #2 ) Outside Diameter - 1.8 mm ( .070 in ) Inside Diameter - 1.3 mm ( .051 in ) Approximately 1,300 pieces. Weight - 1 oz ( 28.35 g ) Standard Crimper with wire .33 mm to .61 mm ( .013-.024 in )