These are two cartridge heaters especially for BIBO 2 3d printer . Replacing instruction is here: https://drive.google.com/open?id=1xyvR4Rpf5LgUlqfPE62tsDnQuDQ_rSO9 more details
These are two cartridge heaters especially for BIBO 2 3d printer . Replacing instruction is here: https://drive.google.com/open?id=1xyvR4Rpf5LgUlqfPE62tsDnQuDQ_rSO9