General description This pack contains 580 metal washers made of strong and durable stainless steel. It includes 9 types of the most commonly used flat washers, ranging in size from M2 to M12, with varying thicknesses between 0.3 mm and 2.2 mm. A plastic storage box with 9 compartments is included to keep you organized. Technical specifications Pack contains: 580 metal washers Material: Stainless steel Sizes: M2, M2.5, M3, M4, M5, M6, M8, M10, M12 Dimensions: M2: 4.9 x 2.1 x 0.3 mm M2.5: 4.8 x 3.1 x 0.5 mm M3: 6.9 x 3 x 0.4 mm M4: 8.8 x 3.6 x 0.6 mm M5: 9.5 x 4.8 x 0.8 mm M6: 11 x 6 x 1.3 mm M8: 15 x 8.2 x 1.1 mm M10: 19 x 10 x 1.6 mm M12: 23 x 13 x 2.2 mm Thickness range: 0.3 mm to 2.2 mm Usage This set can be used at home, in a shed, or at work. Use these flat washers with screws, bolts, and nuts of the same size for various applications, including building decks, fences, furniture, household appliances, personal projects, or repairing instruments and computers. When not in use,