Precise and Safe HVAC Maintenance with Our 2-Pack HVAC Tools Locking Cap Keys HVAC Tools 2-Pack Locking Cap Keys are the perfect addition to your toolkit for maintaining and repairing HVAC systems. Designed for use with R22 and 410A refrigerants, these universal multi-function keys provide easy access to refrigerant safety caps, making them an essential part of your HVAC service tools. Crafted for durability, these keys feature a tamper- design and come with three versatile bits, allowing you to tackle maintenance tasks with ease. Whether you're working with vacuum caps, valve core removal tools, or refrigeration systems, this tool your work is precise and efficient. Key Features: Multi-Function: Universal key tool for R22 refrigerants and 410A refrigerants, vacuum caps, and more. and Tamper-: Excellent quality construction for reliable use. Comprehensive HVAC Service: Ideal for refrigeration tools, valve core removal, and HVAC tool applications. Compatible: Works seamlessly with HVAC systems, keeping your refrigeration units in top shape. Perfect for HVAC professionals, DIYers, and anyone working with air conditioning and refrigeration systems. Color:Silver Material:Metal Package Contents: 2 * HVAC Tools Locking Cap Keys Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.