The Milwaukee 48-28-1010 6-Inch-by-1/4-Inch Extension & 48-20-7401 Carbide Tip Bit is a high-quality drill bit extension designed for use with a 1/4-inch diameter drill bit. Made by Milwaukee, a reputable brand known for producing durable and reliable power tools, this extension features a black color and a compact size, making it easy to handle and store. With a length of 6 inches and a height of 8.66 inches, this extension is suitable for a variety of drilling tasks and is a valuable addition to any workshop or tool collection.