Bosch 21 TPI 5-1/4-In. Metal T-Shank Jigsaw Blades, 3-Pack are expertly designed for cutting pipes, profiles, and sheet metal with precision and ease. Featuring a 21 teeth per inch (TPI) tooth design, these blades deliver smooth and fast cuts, making your projects more efficient. Constructed with durable bimetal, they long-lasting performance and resilience for demanding cutting tasks. This set includes three blades, providing excellent value and convenience for your jigsaw needs. Model Number: T321AF3