30-piece Nozzle Cleaning Tool Kit, 0.1 mm to 3.0 mm Carbide Rotary Tool Set for Computer Engraving Jewelry, Jewelry, and Jewelry.

【30 sizes】 Stem diameter: approx. 1/8" (3.175mm). (0.1 / 0.2 / 0.3 / 0.4 / 0.5 / 0.6 / 0.7 / 0.8 / 0.9 / 1.0 / 1.1 / 1.2 / 1.3 / 1.4 / 1.5 / 1.6 / 1.7 / 1.8 / 1.9 / 2.0 / 2.1 / 2.2 / 2.3 / 2.4 / 2.5 / 2.6 / 2.7 / 2.8 / 2.9 / 3.0 mm) offering great convenience for cleaning 3D printer nozzles.

【Sharpness】 Tungsten carbide drill bits with a spiral flute provide a sharper cutting edge, reducing cutting force and preventing breakage during drilling, improving accuracy. Drilling.

【Ideal for】PC panels, plastics, fiberglass, wood, soft metals, etc.

【Material】High-hardness carbide drill bits, high wear resistance, high strength, bending resistance, anti-degradation, and long tool life.

【Total Length】38mm. Package includes: 3 x 10pcs PCB drill bits; tungsten carbide with protective case.