Compatible with most hot ends for RepRap, Prusa Mendel, Rostock, Delta, and other 3D printers including E3Dv6. Tested and qualified in the UK, our purpose made high power ceramic heater cartridge gives a much-improved performance over fragile and poor tolerance enamel resistors. Hotends heat quickly and hit the highest of temperatures Quick release connectors provide easy & quick access to the hot end for maintenance and avoids the necessity of rewiring back to the control board. Crimped terminals to the control board give improved connectivity and reliability. Manufactured from high quality materials. Stainless steel body Length: 19mm, Diameter: 6mm, Lead made from silicone insulated high temperature wire overall length: 1000m As one of the most powerful 3d printer cartridge heaters on the market, please ensure that your powersupply has sufficient capacity to take the additional current drawn. We also recommend fitting a FET board to protect your controller from the higher current.