Features: Enhances motor efficiency and durability with high conductivity copper carbon brushes, reducing wear by 15% for extended tool life in CB440/DHP458/BHP458 models. accuracy engineered plastic metal mixing brush holder ensures heat resistance and ergonomic installation, maintaining stable electrical contact during high load operations. Designed for hobbyists and professional technicians servicing power drills, electric hammers, and rotary tools requiring stable motor accessories. Optimizes performances in woodworking shops, automotive repair stations, and home renovation projects demanding consistent power transmission for heavy duty equipment. OEM specifications with interchangeable compatibility for DDF458Z/DF458D tools, featuring wear resistant carbon brushes tested under 200°C operational conditions. Specifications: Type: support rotor brush holder carbon brush Part number: 619496-0 component : Plastic + Metal Package Includes: 1 set Carbon Brush Holder note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.