DeWALT Manufacturer Part Number N398321 Cross Reference (Fit/Form/Function) replaces obsolete DeWALT part # N088403. fits DeWALT DWP849 Type 1, DWP849X Type 1, DWP849X-B3 Type 1, DWP849X-BR Type 1 7/9" Polishers This list is not intended to be complete. Please check dewalt.com for compatibility with your tool. Voltage 120V Brush Dimensions 0.415" High 0.28" Wide 0.55" Long Spring 0.875" Compressed Length 0.020" Wire Diameter 0.29" Spring Diameter Base 0.022" Thickness 0.20" x 0.29" Tabs UPC Country of Origin China Notes New. Genuine DeWALT