1.Planar contacts heating elements have a more certain contact than ceramic heating ring contacts 2.compared to the OT hotend heating elements and thermistors are easy to maintain and replace 3.Separate design of fixed flange and heating core.The flange is made of a material with a low thermal conductivity to reduce the working temperature of the heat sink fixed with it by screws. 4.Compatible with various MK8 series nozzles that are readily available. 5.Drop-in replacement for the hotend of the Creality K1 /Creality K1 MAX and CR-M4 printer. Can be direct installed on Creality Sprite Extruder to increase flowrate by 50%. Name: HOTEND KIT hotend is a hot end component, it can directly replace the hot end on Creality K1 or K1MAX or CR-M4 printer. Colour:silver Material:Metal type:B: CHCBOT for KI K1 MAX Package Contents: 2 x updated KIT