IEY3994 Features: * Made from premium carbon 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 * Wood fast cutting standard jigsaw blades * Bosch shank * 8 tpi, cuts in wood or plastic up to 3/4"" * 2 per card Dimensions: * 3-1/8"" length