The Charge Parking Brake Pin Style Knob is a practical and durable solution for Peterbilt 359 and 370 Series vehicles. Made of chrome plate billet aluminum, this knob fits a 3/8 inch shaft and is sold individually. It is designed to fit most Peterbilt 359 and 370 Series makes and models, making it a versatile and convenient option for those in need of a reliable parking brake knob. With its sturdy construction and easy installation, this knob is a practical and functional addition to any Peterbilt vehicle.