Zinc Alloy Architect's Wrench, Multifunctional Square Wrench, Universal Construction Wrench with Allen Key, Anti-corrosion Architect's Wrench for Measurement

【Corrosion Resistant and High Hardness】: Our universal construction key is made of high-quality zinc alloy. Thanks to the bright nickel plating, the universal key is extremely durable. It has the ability to prevent corrosion and resist most acids and other corrosive agents. After heat treatment and hardening, it will last even longer.

【Clear Scale for Easy Measurement】: A convenient scale on the back of the square key allows you to measure cylinder lengths from 25 to 75 mm. Laser engraved, the scale is precise, the markings are clear, and it is not easy to wear off. This effectively prevents corrosion and provides accurate measurements for long-term use.

【Square Chuck Key】: Architect's key with a cylinder lock nose for PZ mortise locks; no profile cylinder is visible in the outer casing. Includes 3 square keys in sizes 6, 7, and 8 mm.

【Allen Key】: This universal architect's key has a 3mm Allen key at the end and a short gear with a flat cam. For loosening or tightening door handles. Control cabinets and service shutters can also be opened effortlessly.

【Multifunctional Construction Key】: The architect's key is a measuring tool used to measure the angle of the contour cylinder. A key in a new building is an essential tool, especially during shell construction. The construction key is ideal as a control cabinet key or if no door handles have yet been installed. It can also be used as a bottle opener.