Đường kính bên trong
1mm, 1.5MM, 2mm, 3mm, 3.5Mm, 4mm, 5m m, 6mm, 8Mm, 10mm, 12mm, 14mm, 16mm, 18mm, 25 mét, 30 mét, 35mm, 50m m, 20mm, 22mm, 2.5mm
Standard Colors
Red, Yellow, Green, Blue ,black
Application
Electric power, automobile, ship, chemical industry