Yosoo 270Pcs 18 Sizes Assortment Kit Air Conditioning HNBR O-Ring Set Car Auto Vehicle Repair Green Material: HNBR Color: Green Use: Automotive Air Conditioning Repair Box Transparent Box Size: 20.5cm x 10.2cm x 3cm / 8'' x 4'' x 1.18'' 18 different size for Insulation Gasket Washer Seals Air Conditioning Car Auto Vehicle Repair