30060 Features: -Made from premium high speed steel, precision-filed, and set for maximum cutting performance.-Precision ground teeth for faster, smoother cutting.-Fits all jig saws using 1/4" T-shank.-Bosch shank.-Carded. Includes: -5 piece set includes one Wood Cutting 30050 (2583-9663), one Wood Cutting 30051(2583-9671), one Wood Cutting 30052 (2583-9697), one Multi Purpose Cutting 30053 (2583-9713), and one Metal Cutting 30055 (2583-9903).