Includes (3) Trimmer LineNew, Bulk PackedGenuine OEM Replacement Part # DWO1DT802-3PKConsult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the Following:DCST920B Type 2, DCST920B Type 3, DCST920P1 Type 1, DCST920P1 Type 2, DCST920P1 Type 3, DCST970B Type 1, DCST970X1 Type 1, DCST990B Type 1, DCST990B Type 2, DCST990H1 Type 1, DCST990H1 Type 2, DCST990M1 Type 1, DCST990M1 Type 2, DCST990X1 Type 2.