The CLIPON patented metal buckle (AK503 series) continues the innovative structural design of the product line, featuring a classic square appearance with clean lines and a stable, well-balanced form. The internal mechanism is equipped with a highly durable POM plastic spring tab, replacing the conventional metal spring to ensure resistance to over ten thousand opening and closing cycles without damage. This design significantly enhances overall service life and operational safety. The product is suitable for applications in pet accessories, outdoor equipment, and high-end webbing components.