Replace Part No. 402874-07: Motor Carbon Brushes for Grinder DW840 - With Automatic Stop, Cable and Connector. Carbon brushes are one of the most commonly replaced power tool parts. These angle grinder motor Carbon Brush replacement is made of high-quality material. Fix common problems: Replacing a new brush can repair intermittent motor operation to restore electric . It is recommended to replace two brushes, even if only one is worn out. Angle Grinder Carbon Brush frequently are the cause behind a motor running poorly. It replaces DW630, DW840, DW840K. and Compatible with for : DW630, DW840, DW840K, Compatible With for : 27328, 27704. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:As Shown Material:graphite Package Contents: 8 * Motor Carbon Brushes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.