The Rounded Corner Square Key is a high-quality product that is made of stainless steel material. It has a thickness range of 0.5 to 5 millimeters (mm), which makes it suitable for industrial usage. The making process of this product is done through CNC punching, ensuring precise and accurate results. Furthermore, the product is polished to give it a smooth and shiny surface treatment, making it more appealing to the eye. This product comes with rounded corners that are designed to prevent any sharp edges, making it safe for use in various industrial applications. The keyhole feature of this product makes it easy to mount or attach to other objects, making it an ideal product for use in the manufacturing and construction industries.