Inner tubes - Import export

inner inlay tube size: end outer diameter 19.20 +0.04 mm, end inner diameter 19.00 + 0.04 mm height: 70 - 0.15 mm side hole diameter 11.70 - 0.05 mm 2 grooves width: 3.3 mm, 5.3 mm material: brass ASTM C28000 packing: individually placed in a plastic tray, then into carton manufactured by CNC turning and milling on sliding head multi-axis CNC lathe