The DeWalt String trimmer cap, spool & line has been designed to fit DeWalt cordless line trimmers and brush cutters.
DeWalt DT20650 String Trimmer Strimmer Line Refil 2.0mm x 15.2m - DT20650-QZ
DeWalt DT20651 String Trimmer Strimmer Line Refil 2.0mm x 68.6m - DT20651-QZ
DeWalt DT20652 String Trimmer Strimmer Line Refil 2.5mm x 68.6m - DT20652-QZ