The FeinvStarlock mounting system is the latest innovation from the inventors of oscillating multi-tool. The improved mounting of FeinStarlock accessories allows you to not only work quickly and effectively, but it also improves power transfer from the tool to reduce vibration. The FeinStarlock Precision E-Cut 229 saw blade (63502229290) maximizes performance for the most efficient work progress possible. With the Bi-metal double-row Japanese tooth design, the Precision E-Cut 229 saw blade gives the fastest work progress and maximum precision for all wood materials, drywall and soft plastics. Featuring the Starlock mounting system, the Precision E-Cut 229 saw blade fits every popular multifunction tool on the market. Even if you don’t own a Fein oscillating multi-tool, you can affordably upgrade output by choosing a FeinStarlock blade.