General description This R134A R1234YF Valve Core Tool is designed for car air conditioning systems. It allows you to replace the valve core without releasing the refrigerant, making it an essential tool for addressing valve core leaks efficiently. Technical specifications Material: Copper Measurement allowed error: +/- 1-3 cm Compatibility and accessories Ensure to compare the part number with your existing valve core before purchasing. Usage Use this tool to replace the valve core if there is a leak, without the need to re-vacuum or add refrigerant. Other information Package Contents: 1 x R134A R1234YF Valve Core Tool Note: Different batches may have random colors for the gasket plastic box. Light reflection and different displays may cause color discrepancies between the item and the picture.