RC-100-P replacement spool cap cover designed for use with string trimmers that utilize an afs automatic feed spool. Compatible with AFS Trimmer models GH400, GH500, GH600, CST1000, CST2000, NST2018, ST7000, ST6600, and ST7700. Saves you from having to buy a new trimmer. The replacement spool cap is easy to replace. Includes 8-pack 385022-03 Spool Caps and Springs. RC-100-P Replacement Spool Cap Covers and Spring for Black-Decker AFS Trimmer GH600 NST2018 CST2000 Feature: Perfect replacement spool for string trimmer.(Spring not required for cordless trimmers.) Easy to install, and saves you from having to buy a new trimmer. Color: orange Material: plastic + metal Package Contents: 4 x replacement spool cap 4 x replacement spring Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.