1480 Pieces 24 Popular sizes rubber O-Ring kit ,Covers most commonly used sizes,meet almost all your needs. the sizes are labeled so you know exactly what size they are. a great assortment of O-rings Well made orings: Built of commercial grade Nitrile Butadiene Rubber (NBR) material for resistance against UV, lubricants and greases,Heat and abrasion resistant. Easy to use: Stored in a labeled and organized case, easily choose sizes you need; Sturdy storage case is better for organization and portability. O-ring gaskets seal and prevent water leaks in faucets, sinks, filters, toilets, plumbing and machinery. Fits many applications: garages, general plumbers, mechanics, workshop, car, door, window, electric appliance, bearing, pump, carrier roller.house and boat... A good kit for general repairs Colour:Black Material:rubber Package Contents: 1480 x rubber orings 2 x plastic case 2 x size note Only the above package content, other products are not included. Note: Light reflection 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.