2Set (20Pcs) 0.15mm Carbide CNC Engraving Circuit Board Micro PCB Drill Bits - 0.15mm,2Set (20Pcs)($12.49Value)
Specification: Cutting edge diameter (CED): 0.15mm; cutting edge length: 2.7mm; shank diameter: 3mm / 1/8" (approx.) overall length: 38mm / 1-1/2" (approx.)