Comprehensive Diagnostic Kit: Designed for professionals and DIY users alike, this manifold pressure gauge set is ideal for diagnosing and charging any air conditioning system. Compatible with R22, R410A, R134, and R410 refrigerants, it's a versatile tool for a wide range of applications. Construction: Constructed from high-quality materials, it ensures durability and reliability. The gauges are clearly marked for easy reading, and the kit includes all the components needed for a complete diagnostic process. Easy to Use: Simple operation, even for beginners. The ergonomic design and gauges allow for precise pressure readings and adjustments., Weight: 1.8077905484 Pounds, Manufacturer: Gishbjka