Description: High quality material, sturdy and durable. 1/4" 3/8" 1/2" Metric and Imperial Socket Tray Rack Holder Storage Tool Organizer. Perfectly used for storing loose sockets, keeps sockets organized. Great for garage and workshop usage. Best Tool Gift for Men , Socket Organizer Drive, Socket Holder Specification:Material: PP Polypropylene Size Chart: 1/2" Drive Sizes: Metric Deep & Standard: 27, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10mm SAE Deep & Standard: 1-1/4, 1-1/8, 1-1/16, 1, 15/16, 7/8, 13/16, 3/4, 11/16, 5/8, 9/16, 1/2, 7/16, 3/8 inch 3/8" Drive Sizes: Metric Deep & Standard: 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6mm SAE Deep & Standard: 1, 15/16, 7/8, 13/16, 3/4, 11/16, 5/8, 9/16, 1/2, 7/16, 3/8, 5/16, 1/4 inch 1/4" Drive Sizes: Metric Deep & Standard: 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5.5, 5, 4.5, 4mm SAE Deep Standard: 5/8, 9/16, 1/2, 7/16, 3/8, 11/32, 5/16, 9/32,1/4, 7/32, 3/16, 5/32, 1/8inch Red Imperial M: 352x90x17mm Red Imperial L: 485x100x17mm Red Imperial S: 188x60x17mm Blue Metric S: 238x60x17mm Blue Metric L: 530x93x17mm Blue Metric M: 350x80x17mm Package Includes: 1pc Socket Tray Note: The color may be different for different display, pls understand Pls allow 1-3mm error due to hand tste, thank you