... /8",1/2",5/8"&3/4"O.D. Tubing individual packed in color box.For metric:6mm,8mm,10mm,12mm,16mm ... &19mm O.D. Tubing individual packed in color box.CT-808A (M)For inch:3/16 ... /8",1/2",5/8"&3/4"O.D. Tubing individual packed in color box.For metric:5mm,6mm,8mm,10mm,16mm ...