Features 1、For 3D printer accessories, for Makerbot/MK7/MK8 3D printer heating block. 2、Made of aluminum alloy material, strong and durable, has a long service life. 3、Strict quality control and quality assurance, high safety factor, can be used with peace of mind. 4、Convenient to use and with good performance, with small size, easy to carry and store. 5、Great workmanship and complete tools, you can operate it yourself, suitable for DIY enthusiasts. Specification Item Type: Aluminum Heating Block Product Material: Aluminum Product Use: 3D print head heating Product Size: Approx. 20 x 20 x 10mm / 0.8 x 0.8 x 0.4in Product Application: For Makerbot printer structure Size: Approx. 20mm / 0.79in 14mm / 0.55in 6.5mm / 0.26in 13.5mm / 0.5in 10mm / 0.4in Package List 5 x Aluminum Heating Block 5 x Heating Rod 5 x Nozzle