[Cleaning the Copper Wire Brush] Our cleaning copper wire brush is suitable for cleaning the hot bed of the 3D printer nozzle. [Wrench and Tweezers] 6mm and 7mm L-shaped hex wrench tools can be used to tighten nozzles, 6mm wrench is compatible with mk8 nozzles, tweezers are available in 2 styles, straight and curved, suitable for nozzle maintenance and cleaning excess consumables.
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