[Premium Material]The plumbing washers and seals are made of excellent 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 Store]Comes with a compact 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 transformers, electrical appliances, electronics industry, plumbing applications, as buffers or packers. [What You Will Get]You will receive 600 pcs red steel paper washers in 12 different sizes, which can meet your various 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 shooting 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.