Valve and screw set ideal for golf club maintenance. 【Product Contents】 100-piece valve core set with storage case and 2 tools. 7 types of valve cores: R12 valve cores (35 pieces x 2 colors, total 70 pieces), also usable for R410/R32 household air conditioners and some tires. R134a valve cores (4 pieces x 3 types, total 12 pieces). Tire-specific valve cores (4 pieces x 4 types). Please be sure to check the shape of the lamp valve when ordering. BMW valve cores 2 pieces (1 purple rubber, 1 red rubber). •【Wide Applicability】 This product is a valve core set used for repairing air conditioner service ports and replacing tire valves. Mainly for R12 old car air conditioners, but also compatible with R410/R32 household air conditioners. R134a valve cores are included in a set of 12. Tire-specific and BMW valve cores vary depending on the vehicle model, so be sure to compare the valve core you use with the published photos before ordering. •【Automobile Maintenance】 Valve cores are precision parts frequently used in air conditioners and tire inflation ports. They play an important role in ensuring flow during gas injection into service ports, tires, and pipes, and preventing leakage of the medium or refrigerant injected during maintenance. Due to frequency of use, replacement is recommended every 2 or 3 years, especially for automobile air conditioners. - Contents: Valve and screw set for golf - Storage Case: Comes in a transparent plastic storage case - Types: Various sizes and colors of valves and screws - Application: For golf club maintenance - Quantity: Contains a total of approximately 100 or more parts Thank you for viewing.