DescriptionAre you looking for a professional, yet affordable 3D printer parts? Are you in search of a sturdy, trustworthy tool that can be used to do multiple jobs at once? If yes, look no further! Our professional 3D printer parts must meet your needs. It is one of the best choices for you.Features- Color: Assorted color. - Material: PTFE, silicone, brass, stainless steel. - Size: 13.00X10.00X3.00cm/5.11X3.93X1.18 inch. - The 3D printer nozzles are made of premium material, sturdy and durable. - Nozzle through long-term testing to solve the problem of plugging and missing materials to the greatest 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 blackened plastic. - Silicone covers don't just keep the block clean, but also keep heat inside the hotend and off your printing. - PTFE tube cutter 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.