When you need to reach into tight spaces, the Proto J2584 Socket Rail is the tool you will want to have on hand. The chrome socket bar has a 1 in. width and 6 1/4" length, which makes it ideal for reaching into tight spaces. It is compatible with Proto's socket clips, allowing you to store your sockets quickly and easily. This steel socket bar also features a 17 in. depth and 1/4 in. height for maximum accessibility when working on projects at home or at work. The Proto J2584 Socket Rail is the tool that gets the job done quickly and efficiently.