SIM Supply U-Shank Jig Saw Blade - All blades are 2-3/4" to 3" long and are packed 2 per card. They fit the most popular brands. - Style: U-Shank, Material: High Speed Steel, Length: 3 In., Teeth Per Inch: 21 TPI, Application: Ferrous & Nonferrous Metals, Pkg Qty: 2, Package Type: Card