Material:HSS (High-Speed Steel). 10 x Drill Bits. Large chip removal space and minimal resistance for ensure efficient drilling. Size:0.6mm/0.8mm/1mm/.2mm/.4mm/.5mm/.6mm/.8mm/2.0mm/2.2mm(10pcs). Suitable for drilling holes in jewelry, amber, beads, beeswax, resin,, leather, wood, olive, walnut and more.
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