Description: High quality heat pipe FOR 3D printer accessories Cartridge heaters is consist of a cylindrical stainless steel tube and thus provide a high corrosion prevention. The heating wire inside which is wound onto a ceramic core. The number of coils varies depending on the power, and provide a great uniform distribution of heat, which considerably increases the long life of the heater as well as prevents the oxidation of the heater wire even at high temperatures. Specification: Power: 40w Voltage: 12V Size :1.2meter Element Diameter - 6mm Element Length - 20mm Cable Length - 1m Package Includes: 1 PiecexCartridge heater