The MW Parts DN195000001 O-Ring Assortment Box provides a comprehensive selection of 407 high-quality O-rings in 32 common sizes. This versatile kit is designed for a wide range of sealing applications in agricultural, construction, and industrial machinery, ensuring reliable performance and preventing leaks. The O-rings are made from durable NBR 70 material, known for its resistance to oils, fuels, and hydraulic fluids. Each assortment comes in a convenient, organized plastic box for easy storage and identification of sizes.