18Pcs 3D Printer Accessories Kit, 0.4mm MK8 Stainless Steel Extruder Nozzle Print Head + Cleaning Needle + 30MM Length Teflon Throat Tube + Heater Blocks, Compatible MK8 Makerbot Anet A8 3D PrinterFeatures: -- High precision, wear resistant, can provide a long service life. -- Offers you an easy way to upgrade your 3D printer. -- Perfect for using at home, bedroom, office, etc.Specification:Material: Stainless steel, AluminumColor: Multi-color Style: Simple Applicable occasion: IndoorsPackage Includes:6 x 30mm Tube 6 x 0.4mm Nozzle 6 x Heater Blocks1 x 0.4mm Cleaning Needle 1 x Cleaning Needle Storage ContainerPromise If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.