The Milwaukee 1-3/8 X 23 Inch 4 Cutter SDS Max Rotary Hammer Carbide Drill Tool Bit, model 48-20-8480, is a high-quality and durable drilling tool designed for professional and industrial use. With its carbide construction and 4 cutter design, this tool bit can efficiently and effectively drill into various materials with ease. The 23-inch length provides ample reach for deep drilling, making it a versatile and reliable option for a range of drilling applications. Milwaukee, a trusted brand in the industry, ensures that this tool bit is a top choice for those in need of precision and performance.