10pcs 0.3mm Tip Spiral Flute Tungsten Carbide Micro PCB Drill Bits Product Name : PCB Drill Bit;Material : Tungsten Carbide Cutting Diameter : 0.3mm / 0.012";Cutting Depth : 6 mm / 0.24" Shank Diameter : 3.175 mm / 0.125";Total Length : 38 mm / 1.5" Color : Silver Tone;Weight : 40g Package Content : 10 x PCB Drill Bits1 x Plastic Case