The Kobalt 5-Pc 2 Inch Square #2 Bit Set is made of high-grade S2 tool steel, ensuring durability and long-lasting performance. This set includes five square recess bits in a sleek gray color, suitable for use with drills. The 2-inch length makes them versatile for various drilling applications, and the square design provides a secure grip in the chuck. Manufactured in China, these bits are a reliable addition to any workshop or tool collection. 1/4 inch quick change shank.