105 Pcs 8 Size HNBR Green Car Air Condition O Rings Seal Sealing Gaskets Repair Tool Kit BoxDecription:Hydrogenated Nitrile Butadiene Rubber (HNBR)、 also known as Highly Saturated Nitrile (HSN) is special class of nitrile rubber (NBR) and is for mission critical applications.The HNBE O Ring can be bear the impact、 bear the oil、 and watertightness、 defendtheultravioletray、 bear the corrosion.Features:1. 105 Pcs 8 Size Auto Air Conditioning Sealing O Ring Set2. Made from HNBR which can stay away from corrosion、 oil、 freon.3. These O rings are special for auto air conditioning.4. Assortment O-rings with a convenient  plastic case.5. Bear oil、 watertightness.6. Defend the ultravioletray、 bear the corrosion.Specification:          Material       HNBR           Color       Green           Quantity       105Pcs\/Box           Box Weight       70g           Box Size       205x140x45mm           Ring Size       2.9*1.78           6.07*1.78           7.65*1.78           10.82*1.78           12.42*1.78           14*1.78           10.8*2.4           13.8*2.4   Note:Box include 105pcs of O ring、 please allow occasional quantity error becasue of small object missing during transportation.Package included:1 Box X Sealing O Rings