TOOLBOX CLUTTER & SAVE TIME - This complete socket trays set is designed for eliminating your toolbox cutter and keeping it organized. convenient to find the dedicated socket instantly FAST TO RECOGNIZE - Each posts marked with clear socket sizes for instant identification to save your time. Black Metric socket tray easy to distinguish when they mixed SAFE STORAGE - Made from ABS that can keep your socket from oil and gas. Featuring extended base to hold your socket securely AVAILABLE FOR BOTH DEEP & SHADOW - Dual rail design support storing both deep and shadow at the same time METRIC RANGE - Fit for Metric size from 4mm to 15mm (1/4inch drive), 6mm to 20mm (3/8inch drive), 10mm to 27mm (1/2inch drive) Colour: Black Material: plastic Package Contents: 3 x Socket Organizer Tray Set Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.