Compatibility Check: the 19mm inner diameter of the Triangle Barrier Post Key matches your requirements. This key is designed for fit with compatible triangle locks, ensuring smooth operation and preventing mismatches that could render the key unusable. Steel Construction: Crafted from robust steel, the Triangle Barrier Post Key is built to last. Its galvanized finish offers superior protection against rust and , making it an ideal choice for outdoor environments and ensuring . Versatile Functionality: Serving multiple roles, this key is essential for access to public infrastructure. It functions efficiently as a key, cabinet key, and post key, providing a versatile tool for maintenance and emergency access. Ergonomic Design: Featuring a grippy, non-slip handle and an optimally designed length, the Triangle Barrier Post Key allows for comfortable and labor-saving use. This design reduces fatigue during extended periods of operation, enhancing user comfort. Color: Silver Material: Metal Package Contents: 2* triangular keys Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.