ITEM NAME:Socket Organizer Rail for Tabletop Drawer Office Time Saving Red Plastic New Description: Eliminate cluttered toolboxes and easily identified your socket Great for table tops and drawers Time saving organizer Perfectly used for storing loose sockets, keeps sockets organized Perfect for garage and workshop use Specification: Material: Plastic Color: Black or Red, Black is Metric and Red is Fit for socket size: 1/4", 3/8", 1/2" Size(1/4") : Approx. 22x 5x 6cm/8.7x 2.0x 2.4inch Size(3/8") : Approx. 33x 7.5x 7.5cm/13.0x 3.0x 3.0inch Size(1/2") : Approx. 45x 10.5x 10cm/17.7x 4.1x 3.9inch Size Chart: 1/2" Drive: Metric Deep & Standard: 27, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10mm 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 in 3/8" Drive: 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 in 1/4" Drive: Metric Deep & Standard: 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5.5, 5, 4.5mm Deep Standard: 5/8, 9/16, 1/2, 7/16, 3/8, 5/16, 1/4, 7/32, 3/16 in Package Includes: 1pc Socket Tray Note: Please allow 1-3mm error due to manual measurement, make sure that you do not mind before you.Eliminate cluttered toolboxes and easily identified your socket. 1pc Socket Tray. Fit for socket size: 1/4", 3/8", 1/2". Material: Plastic. Deep Standard: 5/8, 9/16, 1/2, 7/16, 3/8, 5/16, 1/4, 7/32, 3/16 in.