The three-dimensional structure has good stability, which will not be affected by the moisture. Strong anti-degeneration ability and low friction coefficient are apparent features of the product. With low density and light weight, the product has good heat transfer effect. Using the high-quality nylon material, the product is durable, flexible, wear-resistant, and has excellent insulation percompatiblemance. The thickness of the washer is 1mm. The length of the storage box is 12.5cm, the width is 6.5cm, and the height is 2.2cm. The flat washers are suitable compatible furniture, garden and are widely used in various industrial fields. Item Name: Flat Washers Material: Plastic,Nylon Size Details: Thickness of Flat Washer: 1mm/0.04"(Approx.) Storage Box Size: 12.5cmx6.5cmx2.2cm/4.92"x2.56"x0.87"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 50 x M2 Flat Washers 50 x M2.5 Flat Washers 50 x M3 Flat Washers 50 x M4 Flat Washers 50 x M5 Flat Washers 50 x M6 Flat Washers 50 x M8 Flat Washers