You receive 2 HVAC refrigerant keys: one with 2 key interfaces and the other with 3. Essential for HVAC technicians and service professionals. Made of high-quality iron, each key is approximately 2.5 cm (0.98 inch) long, ensuring durability and long-term performance without deformation or damage. Compatible with R410A, R22, and general refrigerant safety caps. Confirm compatibility before purchase. These keys feature multiple interfaces to fit various lock mechanisms, providing a versatile solution for different HVAC systems while enhancing security. Compact design allows easy storage in tool kits or on key chains, simplifying lock cover installation and removal during service calls. Ideal for residential, commercial, and industrial HVAC maintenance. Color: Silver Material: Metal Package includes: 1 set of R410A refrigerant keys Note: Slight color variations may occur due to lighting or display differences. Measurement tolerance: +/- 1-3 cm.