The A/C DRL 12OAL NO 22 from Field Tool Supply is a high-quality drill bit specifically designed for air conditioning applications. With an overall length of 12 inches, it allows for deep drilling in tight spaces, making it ideal for HVAC installations. Constructed from premium materials, this drill bit offers exceptional durability and performance. The NO 22 size ensures compatibility with various A/C systems, making it a versatile tool for professionals. This drill bit is essential for achieving precise results in air conditioning service and repair.