Features the famous Lock-A-Socket technology. Made of 16 gauge powder coated steel for extra strength. Accommodates 36, 3/8 drive sockets. Overall size is 17-1/2 x 5-1/4 wide. Rubber pegs located underneath for surface grip and protection The 3/8 drive Lock-A-Socket Tray allows you to securely organize all of your 3/8 drive sockets on one heavy duty tray. This allows you to take your sockets with you to the work area.