www.gravograph.co.uk Locksmithing Industry, with M40, engrave keys, locks and barrels, brass or steel. M40 is a quiet, compact machines. With Gravogrip help for easy fixing. Quick and easy to send. No risk of damage to keys and locks. No ghosting / Scratch marks. Quick engraing over generous area. Productivity. M20 compact machine, just 1sq foot. Only basic IT skills needed. Why limit yourself to marking keys? Engrave gifts and tags. Quick, precise engraving. High quality engraved results. Master Locksmiths Association Affiliate.