The Allstar Performance ALL72320 Bearing Spacer is a black steel accessory designed for Wide 5 hubs. It features adjustable settings, a maximum length of 3.686 inches, and a minimum length of 3.300 inches. The spacer is intended for performance and racing applications, with a durable oxide finish. It is specifically designed for bearings with a diameter of 2.005 inches, offering a reliable solution for enhancing auto performance and chassis stability.