Disston E0101319 Blu-Mol Air Saw Blade Assortment, 4-Piece Specially designed blades for use in pneumatic saws Air saw blades have fine teeth for cutting metal Assortment includes (1) of the following air saw blades: 3-Inch x 24T, 3-Inch x 32T, 4-Inch x 18T & 4-Inch x 32T