Standardized T-shank (also referred to as Euro shank).Fits AEG, Atlas Copco, Bosch, DeWalt, Hitachi, Makita, Metabo, Milwaukee and similar machines.HSS: High speed steel is long lasting and will cut through most materials.BiM: Bi-metal combines the cutting performance of HSS with the flexibility of carbon steel, sawblades are shatterproof.Suitable for cutting through all types of material.5 blades packed on informative card