High quality nitrile rubber construction offers reliable resistance to oil, , water and common automotive fluids, with a working temperature range from -40℉/-40℃ up to 248℉/120℃, making these o-ring bushings ideal for thermal machinery, automotive engines and faucet pipe sealing repair. Comprehensive 20‑size metric o-ring assortment kit includes 1020 commercial grade NBR rubber o-rings with inner diameters from 1 to 25 mm and thickness options of 1, 2, 2.4, 2.5 and 3 mm, covering the most commonly used sizes for car, plumbing and household sealing jobs. Versatile o-ring classification set is perfect for faucets, high‑pressure washers, motorcycles, boats, car engines, pumps, solenoid valves, meters, sensors, mechanical bearings and pressure pipes, helping you complete a wide variety of sealing DIY repairs quickly and cost‑effectively or in the garage. Easy to use and store, this assorted o-ring kit comes in a sturdy plastic organizer box with individual compartments and detailed size labels, keeping each metric o-ring neatly arranged by diameter and thickness so you can quickly identify, retrieve and return the correct size during maintenance work., Weight: 0.3637627323 pounds, Manufacturer: Reeatel