Amazon.com: Eyoloty DWO1DT995 Replacement Trimmer Spring Base Compatible with Dewalt DCST920 DCST922 DCST970 DCST990 DCST925 Cordless String Trimmer,Metal Replacement Spring for DWO1DT995 Trimmer Spool Head (6+1) : Patio, Lawn & Garden
Amazon.com : THTEN DWO1DT995 Replacement Head Compatible with Dewalt DCST970,DCST922,DCST990,DCST920,DCST925,DCST991 Cordless String Trimmer with 0.080" 20ft Trimmer Spool Line : Tools & Home Improvement
Amazon.com: FUMHEUF Replacement Trimmer Head Speed Bump Feed Compatible with Dewalt DCST970,DCST922,DCST990,DCST920,DCST925,DCST991 Cordless String Trimmer with 0.080" 20ft Trimmer Spool Line : Patio, Lawn & Garden
DeWalt 2 Pack of Genuine OEM Replacement 60V Guards For DCST970 # 90637386-2PK - Walmart.com
DeWalt Black & Decker N512929 String Trimmer Guard DCST970 D