Portable Gold Hallmarking/ Jewellery Laser Marking Machine uses a very small beam diameter; even lesser than 30 microns and yet have very high peak power. The Marking Machine is ideal for hollow or delicate articles and ensures that retains excellent definition even after polishing. The Marking Machine is made using quality grade raw material which ensures optimum durability along with long lasting trouble free service. Portable Gold Hallmarking/ Jewellery Laser Marking Machine is strong and rigid in construction and requires minimal maintenance.