MichaelPro's portable socket holder tray can store all of your socket drive sizes: 1/4 Inch, 3/8-Inch and 1/2-Inch drive sockets. These socket rails are at the forefront of socket storage innovation. Start organizing all your sockets in one place with this easy-to-use socket organizer! This socket holder can hold a total of 80 sockets - 20pc 1/4" Dr x 17", 20pc 3/8" Dr x 17", 20pc 1/2" Dr x 17", 10pc 3/8" Dr and 10pc 1/2" Dr x 17" . Fits and secure all of your sockets under heavy conditions. Constructed with high grade steel rails and impact-resistant clips, MichaelPro's socket organizers built with durability for your long-term use. You can be sure that this socket rack is going to be a long-lasting storage solution to your messy sockets. No one likes searching for sockets in a messy workspace. These socket holders organize and protect your sockets from a jumbled mess and getting lost from job to job. Rest assured that your sockets will leave this socket tray only when you need it for your works. These professional grade socket trays are Made in Taiwan, where its being widely recognized for its dedication in producing premium quality tools. These socket organizers are definitely one of your essentials. Material: Metal.