The A/C DRL 6OAL (21) 21/64 from Field Tool Supply is a high-quality drill bit designed for precision drilling in air conditioning applications. This drill features a 6-inch overall length, making it ideal for reaching tight spaces. Constructed from durable materials, it ensures longevity and reliability. The 21/64-inch diameter is perfect for creating accurate holes, while the USA manufacturing guarantees adherence to high standards. This tool is compatible with various drilling systems, making it a versatile addition to your toolkit.