Fits Black & Decker GrassHog trimmer Model No. 599062-00. Use with string trimmer models that have an automatic feed spool: CST1000, CST1100, CST1200, CST2000, GH400, GH500, GH600, NST2018, ST7500, ST6600, and ST7000. Original part number RC100, RC100P, RC-100, RC-100-P, 90518636, and 905186-36.
