Introducing the NB16012001, a high-performance Single Wall Heat-Shrink Tubing designed for use with Relays and Circuit Breakers in HVAC systems. This durable tubing provides reliable insulation and protection, ensuring the safe and efficient operation of electrical components. With a sleek black finish and a compact design, it is perfect for professional installations in both residential and commercial settings. The NB16012001 is a must-have accessory for HVAC technicians and electricians, offering peace of mind and compliance with industry standards. Upgrade your system's safety and performance with this top-of-the-line heat-shrink tubing.