1200pcs Rubber O Ring Assortment Kits 24 Sizes Sealing NBR Gasket Washers for Car Auto Vehicle Repair Professional Plumbing Air or Gas Connections

1.Made of nitrile rubber(NBR), anti static, high temperature resistant, mineral oil-resisting, wear-resisting, rustproof, high pressure resistant, corrosion resistance and for long term service.2.Our metric o rings are easy to stretch and install, soft and rich thoughness, it can be stretched to about twice its own size.3.Stored in a labeled and organized case, quickly choose sizes you need, better for organization and portability.4.Mainly used for preventing leaks in plumbing, machinery, hydraulic, and pneumatic repairs; also applied to providing secure seals for any oil, air, gas, and water seal application; suitable for cars, equipment in offices, factory or home, etc.1200pcs/box:100pcs - 61.5mm20pcs - 172.4mm100pcs - 6.51.5mm20pcs - 182.4mm100pcs - 71.5mm20pcs - 192.4mm100pcs - 81.5mm20pcs - 202.4mm100pcs - 91.5mm20pcs - 212.4mm100pcs - 101.5mm20pcs - 222. 4mm100pcs - 111.5mm20pcs - 232.4mm100pcs - 121.5mm20pcs - 242.4mm50pcs - 131.5mm10pcs - 253.1mm50pcs - 141.5mm10pcs - 263.1mm50pcs - 151.5mm10pcs - 273.1mm50pcs - 161.5mm10pcs - 283.1mm225pcs/box:20 Pcs - 3 x 1mm20 Pcs - 4 x 1mm20 Pcs - 4.5 x 2mm20 Pcs - 5 x 2mm20 Pcs - 6 x 2mm20 Pcs - 6 x 2.5mm20 Pcs - 6 x 3mm20 Pcs - 7 x 2mm20 Pcs - 8 x 2mm5 Pcs - 9 x 2mm5 Pcs - 10 x 2mm5 Pcs -12 x 3mm5 Pcs - 13 x 3mm5 Pcs - 14 x 2.5mm5 Pcs - 17 x 2.5mm5 Pcs - 18 x 4mm5 Pcs - 20 x 2mm5 Pcs - 22 x 2mm