If your Makita tool needs a replacement tension spring, this is the genuine OEM part you're looking for! The Makita 231878-2 tension spring measures 4 inches and is the exact same quality as the original part that came with your tool. Made right here in the United States, this isn't some cheap knockoff - it's the real deal that Makita authorizes for repairs. Fits various Makita models perfectly, so you can get your equipment back up and running without worrying about compatibility issues. Installation is straightforward if you're handy with tools, but always make sure to follow proper safety procedures when working with power tool repairs. This spring is built to last and provide the same reliable performance you expect from Makita products. Keep your tools in top working condition with this authentic replacement part that won't let you down when you need it most. Perfect for DIY enthusiasts or professional contractors who rely on their Makita equipment day in and day out.