This large knob features a shoulder on retainer for a secure installation, offering a convenient positive stop. Available in self-clinching, flaring, or floating mounting styles, it caters to various application needs. Choose from options like a knurled or un-knurled metal cap, sleek black metal cap, or even customize with a plastic cap in your preferred color. The spring-loaded design of Types PF11M and PF12M ensures smooth operation, making it a versatile and reliable choice for your projects.