Are you looking for a professional, yet 3D printer parts? Are you in search of a sturdy, trustworthy tool that can be used to do multiple jobs at once? , ! Our professional 3D printer parts must meet your needs. It is one of the for you. Features - ColorAssorted Color - Material: PTFE, silicone, brass, stainless steel. - Size: 13.00X10.00X3.00cm/5.11X3.93X1.18 inch. - The 3D printer nozzles are made of , sturdy and . - Nozzle through long-term testing to solve the problem of plugging and missing materials to extent, low thermal conductivity, resistant to corrosion, high abrasion resistance. - Silicone covers can extend the life of the heater block and keep your heater block clean from burnt and plastic. - Silicone covers don't just keep the block clean, but also keep heat inside the hotend and off your printing. - PTFE tube less friction means more responsiveness, less retraction, more accurate prints, less slippage, wear, and tear on the extruder, and less clogging when printing chunky filaments such as some sawdust or iron filings. Package list: 3 x nozzles 3 x silicone covers 2 x connectors 1 1 x PTFE tube