_x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 270pcs 18 Sizes HNBR O Rings Seal Kit Rubber Air Conditioning Compressor Refrigerant Ring Sets Car Repair Tools Sealant Auto Accessories Feature: Various types of plastic housings with convenient resealable. O-rings. There are 18 most commonly used O-ring sizes. Hydrogenated nitrile rubber (HNBR), also known as highly saturated nitrile (HSN) is a special category of nitrile rubber (NBR) used for mission critical applications. HNBR can be formulated to meet the application temperature in the range between -45 degrees Celsius and 165 degrees Celsius, and HNBR is classified as a DH polymer by ASTM. Specification: Material: rubber Shell color: Purple, Green Box size (length * width * height): 23x10x3cm/9.04"x3.93"x1.18" (approximately) Quantity: 1 set (270 pieces) Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 1set x HNBR O Rings _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_