The 4 Inch Zinc Plated Double Ball Joint with Slip Joint Feature is a practical and versatile product designed to fit most makes and models. With a 4 inch ID and a length of 14-16 inches, it allows for lateral movement and offers a 10 degree angularity and 360 degree rotation. The 2 inch offset adds to its flexibility. This product is sold individually and is zinc plated for durability. Its slip joint feature makes it easy to install and ensures a secure fit. With its practicality and range of features, this double ball joint is a reliable choice for various applications.