Enhance your installation process with this durable shoulder-on retainer, designed to provide a secure stop mechanism. Choose from self-clinching, flaring, or floating mounting styles to suit your specific needs. With options for a knurled or un-knurled metal cap, black metal cap, or even a custom color plastic cap, you can customize the look and functionality of your assembly. This large knob, featuring a spring-loaded mechanism, is available in Types PF11M and PF12M - Unified, ensuring compatibility with various systems. Its 4-40 thread size and slotted/#1 Phillips drive type make it versatile for different applications. Plus, rest assured of its compliance with RoHS standards, offering peace of mind for environmentally-conscious projects. Elevate your installation game with this essential component.