Diablo High Speed Steel Jig Saw Blade Set 5 pk 3 5/8 inches (92 mm) in length, Teeth Per Inch (TPI): 11/14. These blades are designed for durability and precision, making them ideal for cutting thicker metal materials 1/8" to 1/4" (3.2 mm to 6.4 mm). The T-Shank (fits most jig saws).