The 21/64 HD TiN Jobber Drill is a high-quality drilling tool made in the USA, featuring a titanium nitride (TiN) coating for enhanced durability and performance. This drill bit is designed for precision drilling in a variety of materials, including metal and plastic. With a diameter of 21/64 inches, it is ideal for creating accurate holes in industrial applications. The jobber drill's robust construction ensures it can withstand high-speed drilling, while the TiN coating reduces friction and heat buildup, extending the tool's lifespan.