LJXH 18mm Hot Runner Heating Elements, Spring Coil Nozzle Band Heaters, 20mm, 3x3 Cross Section, K Thermocou Product Name: hot runner coil band heaterInner Diameter: 18mmLength: 20mmCross section: 3x3mmWith thermocouple: Yes, K typeLead Wire: 1m lengthCustom made accepted: YesPackage: 1PC Notice: The photograph we display right here just for reference. After you are making order, the coil band warmers you'll get is in step with the scale that you just order you care about it, please are not making order. Thank you. The runner coil band warmers can personalized accordingly. If you have speical request, please provide us the consequent information: 1. coil inside diameter2. coil length3. cross section4. with thermocouple or now not 5. wire length