[Easy to Use]The flat outside tap washer has good insulation performance, which can spread a load, prevent damage to the 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 , electrical appliances, electronics industry, plumbing applications, as buffers or packers. [Premium Material]The plumbing washers and seals are made of excellent red steel paper fiber material, which is wear resistance, resistance, heat resistance, good insulation properties, and for long time use. [What You Get]You receive 600 pcs red steel paper washers in 12 different sizes, which can meet your various needs, enough for your daily use., Weight: 0.38029740195 Pounds, Manufacturer: Tuidzljd