- Durable brass valve body for strength and long-term use - Snap design enables quick installation and removal of the valve core for easy replacement - R134A standard interface ensures compatibility with most auto air conditioning systems - Pressure-replaceable spool allows replacement under pressure, avoiding the need to evacuate the system - Non-slip handle provides a secure grip and efficient operation - Specifications: Material - brass; Interface - R134A standard; Spool - pressure-replaceable; Handle - non-slip Use scenarios - Automotive air conditioning service and repair: ideal for replacing valve cores in passenger cars, trucks, and SUVs during maintenance or refrigerant recharge - On-site field service: perform quick core replacements without evacuating refrigerant from the system - Auto repair shop use: reliable valve core operation for routine maintenance on R134A cooling systems