The Fein StarLock Universal E-Cut 223 saw blade maximizes performance for the most efficient work progress possible. The Universal E-Cut 223 saw blade has good cutting speed and bimetal teeth with universal applications for sheet metal up to 2 mm, aluminum profiles, copper pipes, wood, plasterboard and plastics. Featuring the Fein StarLock mounting system, the Universal E-Cut 223 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 Fein StarLock blade. Fein originated the oscillating tool and is proud to offer innovative and durable accessories that achieve ultimate performance.