Fein 1-3/8 in. E-Cut Long-Life Saw Starlock Blade delivers exceptional durability and efficient cutting performance. This saw blade is designed for long service life and smooth progress, making clean cuts in drywall, plastics, and all types of wood materials. It is also capable of cutting nails up to approximately 4 mm in diameter. Featuring the innovative FEIN Starlock mounting system, this blade fits every popular multifunction tool on the market, allowing users to upgrade their tool's output affordably, even if they do not own a FEIN oscillating multi-tool. As the originator of the oscillating tool, FEIN this durable accessory to ensure performance, improved power transfer, and reduced vibration for faster, more effective work.