Faster Printing Experience -for 3 V3 SE assembled extruder hot end kit has been assembled in advance , all you have to do is plug in the wires. 3 V3 SE 3d printer can print at up to 250mm/s speed , faster than most of printers on the market. You can complete models efficiently, saving time to wait for print jobs. High Temperature Resistance - Up to 260℃ High Temperature to accomplish better effect of printing with high temperature filaments. 3 V3 SE hotend heater block Part is compatible with filaments such as PLA, ABS, PETG, TPU, PP, PC, Nylon, etc. Fast Heat Dissipation - The heat block and nozzle are made of copper alloy, Effective isolation of heating and heat dissipation reduces clogging and improves print success rates, it is easy to install. The roughness of Ra0.3 on the inner wall of the nozzle to improve print quality. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Silver Material:Metal Package Contents: 2x 3 V3 SE Hotend Kit Only 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.