The Fein 35222967020 has 6 saw blades, especially designed for machining hardened and non-hardened metals Suitable for all FEIN Multi Tools and all other common Multi Tools with Starlock mounting.  Features Suitable for all hardened and non-hardened metals Suitable for all Fein Multi Tools with starlock mounting Comes With 1 x E-Cut CarbidePRO saw blade: 40 x 32 mm 2 x E-Cut long-life saw blades: 50 x 35 mm and 50 x 50 mm 1 x E-Cut universal saw blade: 55 x 44 mm 1 x E-Cut Fine saw blade: 50 x 30 mm 1 x full HSS segment saw blade: 85 mm Specification Mount: Starlock