The Milwaukee 49-22-4175 Hole Saw Kit includes 15 pieces of bi-metal saw blades in red and black colors. Designed for multi-purpose cutting, these saw blades feature 3 teeth per inch for efficient and precise cutting. The durable construction and reliable performance make it a must-have for any workshop or garage, providing quality tools for various cutting tasks. The Milwaukee brand ensures a trusted and reliable product that meets the standards for professional use.