Crafted from corrosion-resistant brass with a grinding grip, this adapter ensures secure and manual adjustments even in confined spaces. Featuring a 1/4-inch female SAE attachment on one end and a 1/4-inch male reverse thread on the other, seamlessly integrate with coolant hoses, vacuum pumps, and current collector kits. Equipped with specialized-reverse threads to prevent cross-connections or incompatible refrigerant mishaps, guaranteeing safe and reliable operation in professional settings. Compatible with R32 and R454B refrigerants, this adapter is perfect for mini-split HVAC systems, vacuum adapters, and pressure gauges, catering to modern air conditioning technicians' needs. Essential for R32 and R454B refrigerant adapters, HVAC maintenance tasks, precise refrigerant charging, or recycling processes. A must-have tool for licensed refrigeration and AC technicians. Description: Introducing the brass adapter, a must-have tool for licensed refrigeration and AC technicians. Crafted from durable brass, this adapter ensures secure and manual adjustment in tight spaces. It features a 1/4-inch female SAE attachment on one end and a 1/4-inch male reverse thread on the other end, seamlessly integrating with coolant hoses, vacuum pumps, and current collector kits. Safety is paramount with its special reverse threads that prevent cross-connection or incorrect compatibility with refrigerants like R32 and R454B. This wide compatibility makes it perfect for modern air conditioning systems, including mini split HVAC vacuum adapters and pressure gauges. Designed for professional use, this adapter is ideal for precise refrigerant charging or recycling tasks. Upgrade your toolkit with this professional-grade tool that guarantees safe and reliable operation in professional environments. Item Name: Brass Adapter Material: Brass Connection Type: Thread Suitable Hose: Air Pipe Used Fluid: Coolant Features: Rustproof, Durable, Long Lasting Size Details: Length: 4.4cm/1.73" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Brass Adapter