Bosch CBP07400A 7-1/4" 40 Tooth Carbide Tipped Aluminum Cutting BladeBosch Pro Series For cutting aluminum and non-ferrous metals7-1/4" Diameter 40 Carbide teeth1655, 5007NB, CS20, C7BD Other 7-1/4" Circular sawsImage represents a similar blade from the Bosch Pro-Series