Throat performance: supports high temperature printing (300C) alloy can reduce the heat of the heating blockUpward conduction, pure copper has excellent thermal conductivity, which can heat dissipation and improve overall performance.Product name: K1 ceramic heating head hot end accessoriesNozzle specifications: 0.4mmCeramic heating: 60WSupported filament diameter: 1.75mmCompatible models: K1, K1 MaxCompatible materials: PLA, ABS, PETG, TPU, PP, PC, nylon, etc.Due to different batches, the appearance, color and printed words of the product , which will not affect the use.Material: Brass + alloycolour: As ShownPackage Contents: 1 x Hotend KitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.