DeWalt OEM N737410 DWO1DT995 String Trimmer Spool DCST922P1 DCST922B DCST972X1
NEW TRIMMER HEAD FITS MODELS DCST920 DCST970 DCST991 DCST972 TRIMMERS AND WILL FIT OTHERS ALSO . OLDER MODELS YOU MAY NEED TO REMOVE THE BOLT POST SO YOU CAN UPGRADE TO THIS HEAD . QUESTIONS PLEASE ASK WE HAVE EXPERIENCE WITH ALL TRIMMERS 
Reload cutting line fast and easy without disassembly with the Quick Load cutting head. Just twist the cap to load a full spool of cutting line in seconds. The rugged Quick Load head comes pre-wound with .080 in. aerodynamic cutting line for maximum cutting performance and durability in heavy-duty growth. The Quick Load cutting head also features bump line feed technology for continuous trimming and edging operation.