General description This 3Pc Socket Organizer Tray Set is designed to eliminate toolbox clutter and save time by keeping your tools organized. Each tray features clear markings for instant identification of socket sizes, making it easy to find the right tool quickly. The black metric trays are easy to distinguish, even when mixed with other tools. Technical specifications Material: ABS plastic Color: Black Metric range: 4mm to 15mm (1/4 inch drive), 6mm to 20mm (3/8 inch drive), 10mm to 27mm (1/2 inch drive) Measurement allowed error: +/- 1-3cm Other information Package Contents: 3 x Socket Organizer Tray Set Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.