All blades are 2-3/4" to 3" long and are packed 2 per card. They fit the most popular brands. No. 822441DB: Type: Sabre Saw Blade, Shank Type: U-Shank, Length: 3", Teeth Per Inch: 6 TPI, Cutting Material: Rough Cut Wood,Rafters, Joist, Pkg Qty: 2, Package Type: Card No. 822361DB: Type: Sabre Saw Blade, Shank Type: U-Shank, Length: 3", Teeth Per Inch: 10 TPI, Cutting Material: Hardwood,Masonite,Pine,Plywood, Pkg Qty: 2, Package Type: Can No. 822351DB: Type: Sabre Saw Blade, Shank Type: U-Shank, Length: 3", Teeth Per Inch: 18 TPI, Cutting Material: Wood,Ferrous & Nonferrous Metals, Pkg Qty: 2, Package Type: Card No. 822871DB: Type: Sabre Saw Blade, Shank Type: U-Shank, Length: 3", Teeth Per Inch: 21 TPI, Cutting Material: Ferrous & Nonferrous Metals, Pkg Qty: 2, Package Type: Card No. 822951DB: Type: Sabre Saw Blade, Shank Type: U-Shank, Length: 3", Teeth Per Inch: 36 TPI, Cutting Material: Thin Metal,Aluminum,Copper,Brass,Sheets, Pkg Qty: 2, Package Type: Card No. 822651DB: Type: Sabre Saw Blade, Shank Type: U-Shank, Length: 3", Teeth Per Inch: 12 TPI, Cutting Material: Veneer,Hollow Plywood,Smooth Cut, Pkg Qty: 2, Package Type: Card No. 822521DB: Type: Sabre Saw Blade, Shank Type: U-Shank, Length: 3", Teeth Per Inch: 12 TPI, Cutting Material: Wood,Plywood,Veneer,Scolling, Pkg Qty: 2, Package Type: Card