Replacement Jigsaw Blades Bi-Metal blades suitable for cutting through metals 75mm Cutting Length 21tpi Colour-coded bayonet type fitting allows for easy identification Milled & wavy set teeth allow for a fine, straight cut into metals such as soft steel and aluminium Compatible with most popular saws, if you are unsure, please contact us to check compatibility. Compatible with the following models: AEG Universal Black & Decker Universal Bosch Universal Dewalt Universal Elu Universal Festool Universal Hitachi Universal Metabo Universal Skil Universal