Llaves para edificios - Llaves para cerraduras de cajas - Universales - Metálicas - 195 mm - Llave maestra 6 en 1

Premium Materials: This construction key is made of high-quality zinc alloy with a chrome-plated surface, making it corrosion-resistant, easy to install, and highly secure. Square Axis Key: Suitable for mortise locks without irregular cylinder shapes, featuring a bolt. Comes with three square axis keys in sizes 6mm, 7mm, and 8mm. Can be used to inspect heating valves or open ventilation grilles. Practical Dimensions: The back of the square axis key features practical graduations for measuring lock cylinder lengths from 25-75mm. The graduations are laser-engraved for precision and clarity, with wear-resistant lettering. Effectively prevents corrosion, ensuring accurate measurements over long-term use. Hex Wrench: This universal construction key features a 3mm Allen wrench at the top and a short gear with a flat cam at the bottom. Can be used to loosen or tighten door handles. Can also easily open switch cabinets and access panels. Wide Range of Applications: This construction wrench is a multi-functional tool with a wide range of applications, suitable for locksmiths, lock repair, ventilation vents, etc., ideal for professional DIY work; compact and practical.