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4 sizes Drill Bits Set with Case for 3D Printer Nozzle Cleaning
1x 0.5mm Drill Bit
1x 0.4mm Drill Bit
1x0.3mm Drill Bit
1x 0.2mm Drill Bit
Note: when you cleaning the nozzle, Please be sure to nozzle is heated to 200°C
Use method: if the nozzle clogging, gently clockwise rotating drilling, do not directly force in the drill as this will caused the drill broke.