These are good quality blades at competitive prices. The extra width of the 65mm blades make them more stable when used with longer cuts. There is a Standard tooth blade and also a Coarse tooth blade in this mixture. Alternatively there are also a Standard tooth blade and a coarse tooth blade in the smaller 35mm width for easier cutting in confined spaces, these blades are great for cutting wood, Plastic and Dry wall. Lastly to complete the set there is a 35mm wide Bi-metal blade which is great for cutting various materials including soft metals.