The FEIN StarlockPlus Long-Life E-Cut 161 saw blade has an outstanding service life and excellent work progress.. The Long-Life E-Cut 161 saw blade are extremely robust and makes very clean cuts in plasterboard, plastics, and all wood materials. The Long-life blades will cut nails (up to approx. 4 mm dia.). Even if you don’t own a FEIN oscillating multi-tool, you can affordably upgrade output by choosing a FEIN Starlock blade. The StarlockPlus mount fits all popular multifunction tools with StarlockPlus and StarlockMax mounts, as well as older model FEIN MultiTalent and MultiMasters. FEIN originated the oscillating tool and is proud to offer innovative and durable accessories that achieve ultimate performance.