[Premium Material]The plumbing washers and seals are made of red steel paper fiber material, which is wear resistance, corrosion resistance, heat resistance, good insulation properties, and durable for long time use. [Easy to Use]The flat outside tap washer has good insulation performance, which can spread a load, prevent damage to the surface being fixed, and insulate steel screws from. [Easy to ]Comes with a and see-through compartmented plastic storage case. All fiber washers plumbing is well packed in the plastic box for convenient storage. [Wide Applications]These fiber washers are suitable for all kinds of , electrical appliances, electronics industry, plumbing applications, as buffers or packers. [What You Will ]You will receive 600 pcs red steel paper washers in 12 different sizes, which can meet your needs, enough for your daily use. Colour: red Material: red steel fiber Package Contents: 160 x 10x5.5x0.8mm washers 100 x 12x6.5x0.8mm washers 60 x 16x8x0.8mm washers 80 x 16x10x0.8mm washers 40 x 19x12x0.8mm washers 40 x 20x12x0.8mm washers 20 x 22.5x14x0.8mm washers 30 x 22x16x0.8mm washers 15 x 25.4x17.5x0.8mm washers 20 x 27x20x0.8mm washers 20 x 32x22x0.8mm washers 15 x 32x24x0.8mm washers 1 x Plastic box 20.5 x 10.5 x 3 cm 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.