Replacement Trimmer Spool Compatible with Craftsman CMCST900 CMZST0653 CMZST065 Features: 【Compatible Models】Compatible with Craftsman string trimmer models: CMCST900,CNCST910,CMESTA900,CMESTE920,CMZST98020,CMCST915, CMEST913. 【Spool and Cap Models】Spool Model: CMZST065 CMZST0653 string trimmer spool Line; Cap Model: CMZST120SC. 【Premium Material】30ft/0.065" diameter trimming cord features high quality ABS spool and durable polyamide nylon cord, which is flexible and durable.Use centrifugal force and aerodynamics to reduce drag and enable fast cuts. 【Pre-Wound】Each replacement spool comes pre-wound and may be replaced easily in a few seconds. 【Quality Assurance】If you have any questions about the product, please feel free to contact us，your satisfaction is our greatest motivation.