Black & Decker (3 Pack) spool bump cap cover string trimmer NST2118 NST2018 CST1000 GH600 385022-03 Original OEM Black & Decker string trimmer cap Compatible with Black & Decker String Trimmers: GH600, GH610 CST1000, CST1100, CST1200, CST2000, NST2018 (Types 1 & 2), & NST2118 Includes (3) caps