Compatible replacement: This carbon brush holder is designed for 6389911, 6386141, DF458D, DHP458, DHP448, DDF458, CB440 and many other power tool models, providing a direct fit to maintain your tool's performance and extend its working life. quality construction: Carbon brush with a grade plastic housing and carbon material; these brush holders feature fine workmanship that delivers consistent electrical contact and reduces wear on your power tool's motor components. Long service life: Engineered with stable characteristics and reliability; these carbon brushes maintain conductivity over time, reducing the frequency of replacements and keeping your tools running smoothly for longer periods. Complete set included: Package contains 1 carbon brush holder and 2 carbon brushes, giving you everything needed for a proper replacement save time and money by having all components ready for installation. Typical uses worn carbon brush assemblies in compatible drills, drivers, and impact tools listed (DF458D, DHP458, DHP448, DDF458, CB440, and related models) to restore power and reduce sparking. Use in professional or maintenance settings to extend tool life and maintain reliable performance across the listed model families. DIY or onsite maintenance for construction or workshop tools that require a direct fit replacement to maintain motor conductivity and longevity.