This set contains 2 saw blades for jigsaws (or rocker saws). The two saw blades are suitable for working on soft wood. They can saw through wood with a thickness between 5 and 60 mm. The blades measure 100x3 mm and have 8 teeth per inch. They fit on jigsaws from the most common brands that work with a U-shaft (e.g. Black+Decker, Power Base, Skil, etc.).