Dragon Miles International Ltd. offer a wide range of high precision cutting, grinding, testing and measuring tools to service the watch-marking, jewellery, optical, PCB and machine manufacture industries in Hong Kong / ChinaCentre Drill 60deg 3. 0mm x 0. 5mm to 31. 5mm x 12. 5mmNC Spot Drill 90deg, 120deg---2. 0mm to 20. 0mmCountersink 82deg, 90deg, 100deg, 120deg---10. 0mm to 50. 0mmMiniature Endmills 0. 1mm to 2. 0mm (precision 0-0. 01mm) Miniature Reamer 0. 2mm to 0. 595mm (w. Step: 0. 005mmmPin GaugePluge GaugeRing GaugeDiamond Wheel for PCB Drill re-sharpeningDiamond Compound for Jewellery Grinding