Description: Made of solid plastic material, durable and sturdy, safe and eco-friendly to use. Neat and tidy steel tray for storing loose sockets. Each rail include holes for mounting. Open hole slots on both ends allow you to hang rails onto tool boards for both access and visibility. Drive socket rails are perfect for any home or industrial garage. Specification: MateriaL: Plastic Size: 350mm*30mm/13.7*1.2inch Package Includes: 1 Piece 1/2" Socket Holder 1 Piece 3/8" Socket Holder 1 Piece 1/4" Socket Holder Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you