6-in-1 Universal Construction Key, Construction Equipment Key Set, Master Key for All Locks, Construction Key with Cylinder Length Measuring Scale

General Description Our 6-in-1 universal construction key is made of high-quality zinc alloy, offering corrosion resistance and high hardness. It is designed to withstand most acids and other corrosive substances, ensuring a long service life thanks to proper heat treatment and hardening. With a practical design, this universal architect's key features a cylindrical lock nose suitable for PZ core locks, with no irregular cylinders in the casing structure. Technical Specifications Material: Zinc alloy Cylinder measuring length: 22 to 75 mm Application The universal construction key is multifunctional and widely used. It includes a pointed hexagonal socket wrench for loosening or securing door handles. It is an ideal tool for checking heating valves or opening ventilation grilles. Other Information Scope of delivery: Universal square key with pointed hexagonal socket and short universal construction key with 3-sided wrench.