• 260-piece O-ring assortment kit in 15 different sizes. • Made of high-quality silicone with excellent airtightness and high-temperature resistance. • Flexible material with high tensile strength and durability for long-term use. • Includes plastic organizer box with separate compartments for tidy storage. • Designed for sealing water, air, gas, lubricating oils, and fuels. • Ideal for applications in plumbing, automotive, mechanical workshops, and appliance repair. • The set contains sizes from 6 x 1,9 mm to 30 x 3,1 mm.