Keep your tool collection organized and easily accessible with the Ernst 8481 3-Rail 18" Twist Lock Socket Boss GREEN. This socket organizer/holder is designed to fit 1/4" twist lock sockets and is made of durable plastic material. The green color adds a pop of color to your tool box while keeping your sockets easily identifiable. This product comes with a lifetime warranty and is manufactured in the United States. With the ability to hold up to 57 sockets, this socket boss is a must-have for any DIY enthusiast or professional mechanic. Keep your tools organized and easily accessible with the Ernst 8481 3-Rail 18" Twist Lock Socket Boss GREEN.