20pcs PCB Drill Bits 0.3mm Tungsten Carbide Rotary Tool Jewelry CNC Engraving - 0.3mm,2Set (20Pcs)($14.99Value)
Specification: Cutting edge diameter (CED): 0.3mm; cutting edge length: 5.5mm; shank diameter: 3mm / 1/8" (approx.) overall length: 38mm / 1-1/2" (approx.)