The #30 High Speed Steel Polished Drill Bits by Drill America are durable and reliable tools designed for drilling tasks. Made of high-quality steel, these drill bits are polished to ensure smooth and precise drilling. With a unit quantity of 12, these drill bits are perfect for various projects in the home and workshop. The Drill America brand guarantees the quality and performance of these drill bits, making them a trusted choice for professionals and DIY enthusiasts alike.