This Mac Tools 6321IDSA 21-PC. Cobalt Alloy Steel Stubby Drill Bit Set P7 is a must-have for any DIY enthusiast. The set includes 21 drill bits made of high-quality steel material, suitable for all your drilling needs. The blue color of the drill bits makes it easy to identify them in your collection. The set is perfect for those who are looking for a reliable and durable solution for their drilling requirements. The drill bits are designed to withstand heavy-duty use and provide consistent performance. This set is ideal for both professionals and DIY enthusiasts alike.