The Milwaukee 48-89-2321 is a professional-grade jobber drill bit engineered for demanding applications in construction, metalworking, and industrial settings. Featuring a 3/8-inch diameter with a compact 5-1/8-inch overall length, this twist flute design delivers precision drilling in steel, cast iron, and other standard materials. The three-flute configuration ensures efficient chip evacuation and consistent hole quality, while the jobber length profile makes it ideal for general-purpose drilling tasks where versatility matters. Built to Milwaukee's exacting standards, this bit combines durability with reliable performance for contractors and tradespeople who depend on dependable tools.