Material: carbon powder solidified Size: 6.5*16.5*16mm Function: High-Durability N039389 Carbon Brush ', protect motor Replacement parts Model: N039389, N558583, N408735, 622437-00 Compatible models: Direct replacement for DeWalt D28700 (Type 1/2/3), D28715, D28710, D28720, D24000, GR870/871 chop saws