STRONG OSTRICH HSS Jewelry Drill Bit Stone Setting Tool Rotary Grinder tools Jewelry Drill Round Ball Burs For Jewelry Making

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MaterialHigh Speed SteelSize0.5mm 0.6mm 0.7mm 0.8mm 0.9mm 1.0mm 1.1mm 1.2mm 1.3mm 1.4mm 1.5mm 1.6mm 1.7mm 1.8mm 1.9mm 2.0mm 2.1mm 2.2mm 2.3mmWeight16gDelivery10-15 days