Material: Aluminum + HSS (High speed steel). Suitable for PCB, crafts, jewelry, watch making. Drill Bits Size: 0.8mm,1.0mm,1.2mm,1.5mm,1.8mm,2.0mm,2.2mm,2.5mm,2.8mm,3.0mmWeight:35g. 11 pcs drill set, 1 tool + 10 pcs drills.
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