OD is outside diameter of the tube.
ID is inside diameter of the tube, not the Length.
Size :
ID*OD: 3mm*4mm,0.5mm*1mm, ,0.5mm*2mm, 6mm*10mm,16mm*20mm,1mm*3mm,12mm*16mm, 1.5mm*3mm, 1.6mm*3.2mm, 2mm*3mm, 2mm*4mm,6mm*8mm,2mm*6mm, 2.5mm*6.4mm, , 3mm*5mm, 3mm*6mm, 3mm*8mm, 4mm*6mm, 4mm*7mm, 4mm*8mm, 5mm*6mm, 5mm*7mm, 5mm*8mm, 32mm*38mm,5mm*9mm, 5mm*10mm, 6mm*7mm,25mm*33mm,6mm*9mm, 6mm*11mm, 6mm*12mm, 7mm9mm, 7mm*10mm, 7mm11mm, 7mm*12mm, 1mm*2mm,38mm*44mm, 7mm*13mm, 8mm*10mm, 8mm*11mm, 8mm*12mm, 8mm*13mm, 2mm*5mm,8mm*14mm, 9mm*12mm, 9mm*13mm, 10mm*12mm, 10*13mm, 10mm*14mm, 10mm*16mm, 10mm*18mm, 12mm*14mm, 0.5mm*1.5mm, 12mm*18mm, 13mm*16mm, 16mm*21mm, 19mm*25mm, 20mm*26mm, 25mm*31mm, 25mm*35mm,
Uses:
Food tube products;
Food Machinery connecting pipe;
Liquor connecting conduit;
Water dispenser, coffee maker, water heaters, rice cookers and other connecting pipes, conduits;
Electrical equipment, such as the casing;
Medical devices connecting pipe, conduit, etc..