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 models WA0010 and cap covers models WA6531 GT. This replacement spool is designed for use with Worx string trimmers and utilizes centrifugal force to feed the trimmer line as needed. The auto-feed system eliminates the need for hand-winding, making line replacement quick and easy. Made with high-quality plastic and durable polyamide nylon thread, the spool offers flexibility and a long service life. Engineered to use centrifugal force and aerodynamics to reduce drag and enable fast cutting performance. Each replacement spool comes pre-wound and can be replaced in seconds. Color: orange. Material: plastic. Package contents: 10 x grass trimmer line spools, 2 x trimmer cap covers. Only the listed items are included; other products are not included. Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.