DeWalt DT-QZ Circular Saw Blade Series 40/60 - 28T-80T - DEWALT DT4310-QZ, This circular saw blade from DeWalt has anti-vibration slots to reduce plate distortion and also feature engineered expansion slots that prevent the blade from overheating and warping. In addition, the extra-large carbide tips can be resharpened up to 20 times. Other features include: teeth remain sharp for longer through use of extra-large sub micrograin carbide teeth; exceptional surface finish due to unique anti-vibration slots that minimise blade vibration; extended cutting life in difficult materials such as tropical hardwoods and MDF through use of corrosion resistant carbide teeth; excellent blade to spindle fitting is provided by honed arbor holes. DEWALT DT4310-QZ Circular Saw Blade 216 x 30mm x 24T Series 60 Fast Rip