The classic MK3 Tyre Inflator has been industry standard in many garages, petrol forecourts & tyre depots for over 25 years. Features -Large window to give a greater field of viewing -Lightweight - Gauge body weighs 923g, less work strain and easier for repetitive use -New Piston & Seal Design - New design, less drag, reduced friction & less movement inertia means no internal corrosion, no sticking and no skewing of accuracy -New Valve Mechanism - Simplified 2 stage mechanism design prevents user having to "push" against full line pressure on deflate preventing fatigue -Biomorphic Shape - Ergonomic, easier to use and less prone to damage when dropped -Individually tested and certified against national approved gauges -Complies with EC 86/217 & EN 12645:201