This compact, waterproof 25mm stainless steel momentary push button switch is engineered for durability and precision in demanding environments. Featuring a robust ring-shaped metal design with a waterproof pin terminal, it ensures reliable electrical connections even in high-moisture or industrial settings. The corrosion-resistant stainless steel construction makes it ideal for welding machines, where it withstands heat, sparks, and mechanical stress. Its momentary function (on-while-pressed) provides precise control, while the mini size and secure terminal fit seamlessly into tight spaces. Perfect for enhancing safety and performance in welding equipment and heavy-duty applications.