Construction Key, Universal Metal Architect Anti-Corrosion Zinc Alloy Square 6/7/8 mm

The construction wrench is made of zinc alloy, with chrome surface. It is corrosion resistant, easy to install and offers safety of use. Square chuck wrench: Architect key with cylinder lock nose for mortise lock, outer case structure. square wrenches in sizes 6, 7 and 8 mm. For controlling heating valves or opening air vents. CONVENIENT PROPORTION scale behind a square hex key to measure cylinder lengths from 25 to 75 mm. Laser engraving. The scale is accurate, the font is clear and it is not easy to wear out. It effectively prevents corrosion and provides accurate measurements for use. Hex Wrench: This universal construction wrench has a 3mm Allen key at the end and a short flat cam gear. It allows you to loosen or fix the door handles. Control cabinets and service hatches can also be opened. Wide Application The construction key is a tool with a range of applications, suitable for locksmiths, lock repair, air vents, DIY work, small and practical.