High-Quality Material​
Our product is crafted from industrial-grade 304 stainless steel. The material is laser-cut into a circular shape with hollowed-out cut numbers. The surface undergoes a polishing treatment, resulting in a smooth and wear-resistant finish. This 304 stainless steel is highly corrosion-resistant, heat-resistant, acid and alkali-resistant. It does not rust, deform or oxidize, making it perfect for use in harsh environments.​
Precise Dimensions​
With a diameter of 30mm (1.18 inches) and a thickness of 1mm, the product features a sturdy structure. It also comes with a 304 stainless steel key ring with a diameter of 20mm, which is convenient for connection.​
Versatile Applications​​
This product has a wide range of applications. It is suitable for various public places such as schools, shopping malls, gardens, factories, restaurants, swimming pools, office buildings, dormitories, and warehouse storage lockers. Thanks to its high temperature resistance, acid and alkali resistance, and excellent oxidation resistance, it can maintain its shape and luster under extreme temperatures, ensuring long-term and reliable use.​