Item Type: Aluminum Heating BlockProduct Material: AluminumProduct Use: 3D print head heatingProduct Size: Approx. 20 x 20 x 10mm / 0.8 x 0.8 x 0.4inProduct Application: For Makerbot printer structureSize: Approx. 20mm / 0.79in14mm / 0.55in6.5mm / 0.26in13.5mm / 0.5in10mm / 0.4inPackage List5 x Aluminum Heating Block5 x Heating Rod5 x Nozzle1For 3D printer accessories, for Makerbot/MK7/MK8 3D printer heating block. 2Made of aluminum alloy material, strong and durable, has a long service life. 3Strict quality control and quality assurance, high safety factor, can be used with peace of mind. 4Convenient to use and with good performance, with small size, easy to carry and store. 5Great workmanship and complete tools, you can operate it yourself, suitable for DIY enthusiasts. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.