The trimmer replacement spool is suitable for multiple WORX string trimmer models: WG150, WG151, WG151.5, WG152, WG153, WG154, WG155, WG155.5, WG156, WG157, WG160, WG160.1, WG160.2, WG163, WG165, WG175, WG180. Package contains 10 packs of WA0010 replacement spools, 0.065 inch diameter, 10 feet per pack, and 2 packs of WA6531 spool cap covers. The WA0010 trimmer spool is 10 feet long with a 0.065 inch thickness and is compatible with original spool model WA0010 and cap cover model WA6531 GT. The WA0010 replacement trimmer spool is designed for use with Worx string trimmers and utilizes centrifugal force to feed the trimmer line as needed. This auto-feed system replacement spool helps simplify the process of replacing trimmer line without the need for hand-winding. Made with high-quality plastic and durable polyamide nylon thread, the spool offers flexibility and a long service life. It uses centrifugal force and aerodynamic design to reduce drag and enable fast cutting performance. Each replacement spool comes pre-wound and can be replaced quickly and easily in seconds. Color: orange Material: plastic Package Contents: 10 x Grass Trimmer Line 2 x Trimmer Cap Only the items listed above are included; other products are not included. Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by up to +/- 1-3 cm.