PULSAR DIAMOND® 2.35mm Shanked Micro-Core™ Stone Glass Opal Rock Diamond EPW Lapidary boring burrs 0.8mm to 2.00mm 6 piece set Fit Dremel Rotary tools Burrs Grinder B4-Axxx wk_auction com and take a chance

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50ctsLot Number: B4-A565Details: 20x12x7 mm – Lightning Ridge – Knobby Opal FormationDescription:Striking Lightning Ridge knobby opal rough showing vibrant yellow

60ctsSize: 17x15x6mmFeatures: Blue colour showing in a thin bar – potential to chase with skilled cutting

Features: Green dominant multifires exposed in colour bars

20cts (🔥 DEAL)Lot Number: B4-A605Details: 25x12x5 mm – Lightning Ridge – Dark Base – Seam Opal Rub/RoughDescription:DEAL – BIG SIZED RUB

PULSAR DIAMOND® 2.35mm Shanked Micro-Core™ Stone Glass Opal Rock Diamond EPW Lapidary boring burrs 0.8mm to 2.00mm 6 piece set Fit Dremel Rotary tools Burrs Grinder B4-Axxx wk_auction com and take a chancePULSAR DIAMOND 2. 35mm Shanked Micro Core Set of 6 sizes 0. 80mm to 2. 00mm Electro plated Diamond Grit Abrasive Boring Burr for hole making and core drilling You get 1 x of each size Size: 0. 8mm , 1mm , 1. 2mm , 1. 5mm , 1. 8mm , 2mm Length range from 42 45mm