[Spool Cap Specification]: Compatible with spools, 20ft 0.080 inches, compatible with spool models -080 / -080-BKP and cap covers model 90583594. [Compatible Models]: Compatible with Weed Eater string trimmer caps: GH3000, GH3000R, LST540, LST540B. [Professional CNC Winding Spool Cap]: Designed for precise fit and performance. Manufactured using CNC cutting and winding technology for consistent quality and automatic line feed. Manual winding is cumbersome and may cause line jams, potentially damaging the trimmer. [Precautions for Use]: When using this product, wear appropriate protective gear to avoid injury from flying debris or broken line. This product is intended for use on light grass and small weeds. For thick or woody vegetation, use a blade or other appropriate cutting tool. Color: Orange Material: ABS Package Contents: 3 x Trimmer Cap Covers Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display settings may cause slight variations in color between the image and the actual product. Measurement tolerance is +/- 1-3 cm.