[Spool Cap Specification]: Compatible with For spools, 20ft 0.080 inches, compatible with spools models -080 / -080-BKP and cap covers models 90583594. [Compatible models]:Compatible with For string trimmer Cap:GH3000, GH3000R, LST540, LST540B. [Professional winding spool Cap]: Compatible with spools by the machine cutting and winding, automatic change. Manual winding is cumbersome and can easily stuck during use, which can cause damage to trimmer. [Precautions for use]: When you using this product, protective measures should be taken to avoid damage to the body caused by spilled wires. The product is only suitable for young grasses. For strong weeds, use other tools such as blades to . Colour: Orange Material: ABS Package Contents: 3 * Trimmer Cap Covers 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 thing. The measurement allowed error is +/- 1-3cm.