This is for 4 Replacement Carbon brushes for Dewalt N412223 brush holder for the following Dewalt power tool models: IMPORTANT NOTICE: CHECK OUR EXISTING BRUSHES FIRST to our images BEFORE BUYING, these brushes need to be soldered or hard wired to the original Brush holder also please read your machine Type number - DO NOT BUY UNTIL YOU HAVE CHECKED YOUR OLD BRUSHES DeWalt DCS380 Type 1 Cordless Reciprocating Saws DeWalt DCS380 Type 2 Cordless Reciprocating Saw DeWalt DCS387 Type 1 Cordless Reciprocating Saw DeWalt DCG412 Type 2 18v Cordless Angle Grinder 125mm PLEASE CHECK YOUR BRUSH IMAGES 1st DeWalt DCG412 Type 10 18v Cordless Angle Grinder 125mm PLEASE CHECK YOUR BRUSH IMAGES 1st DeWalt DCS391 Type 2 Cordless Circular Saw PLEASE CHECK YOUR BRUSH IMAGES 1st DeWalt DCS391 .