Proven Part 2-Trimmer Spools 2-Springs 4- Eyelets Fit 4002 710 4321, 0000 997 1501, 4002 713 3017, 4003 713 8301

2 Trimmer Spools, 2 Springs and 4 Eyelets 

The Spools Replace: 4002 710 4321, 4002 713 3017

The Springs Replace: 0000 997 1501.

The Eyelets Replace: 4003 713 8301

Has Built In Metal Cap To Slow Down Wear and Tear

For Stihl 25-2 and 27-2 Trimmer Heads