Easy to install and saves you from buying a new trimmer
RC-100-P Coil Cap and Spring for Black Decker AFS Trimmer GH600 NST2018 CST2000
Compatible with BLACK + DECKER AFS trimmer models: GH400, GH500, GH600, CST1000, CST2000, NST2018, ST7000, ST6600 and ST7700
Specification:
Material: plastic + metal