This product includes carbon brush 445861-25 The precise size design of 0.52 inches x 0.27 inches x 0.23 inches ensures its tight installation in various compatible tools, without any looseness or poor contact issues, ensuring stability and reliability during the use of power tools It has a wide range of adaptability for use with DeWalt/Black&Decker Porter Cable Power Tools, Drill, Jig Saw, Gauge Shear, Plate Joint, Sander, Grinder, Gauge Nibbler, Polisher. For Dewalt DW745, DWE7480, DWE7490X, DWE7491RS, DWE7499GD and other models 445861-25 Carbon brushes are key components in electric tools. The carbon brushes we provide are made of high-quality materials, carefully selected and rigorously tested. Having good conductivity and wear resistance, it can effectively transmit current, reduce wear, and thus extend the service life of electric tools