3 Pack CMZST0653 Weed Eater String and 4 Pack CMZST120SC String Trimmer Spool Compatible with Craftsman Weed Wacker

【Universal Compatibility with Craftsman】 Precision-engineered to fit for a wide range of Craftsman weed eater models, including CMCST900, CMESTA900, CMESTE920, CMZST98020, CMCST915, CMCST900D1, and CMEST913 Series. Perfect replacement for weed eater string models CMZST065 amp; CMZST0653 and Cap model CMZST120SC. Please verify your model before purchasing. 【Upgraded Nylon + Glass Fiber Material】 Unlike standard ABS or pure nylon lines, our premium PA6 Nylon is reinforced with 30% Glass Fiber (GF). This unique blend significantly boosts stiffness and heat resistance, ensuring the weed trimmer line stays intact at high RPMs and reducing frequent breakage. Experience industrial-grade durability in your backyard. 【Seamless Auto-Feed Performance】 Engineered for a Perfect Fit, string trimmer line works flawlessly with the automatic feed system. The snap-fastening cap ensures the spool stays securely locked, reducing vibration and improving cutting efficiency by 40%. No more manual adjustments or frustrating interruptions during your yard work. 【Compatible with Multiple Craftsman weed eater Models 】 The String Trimmer Spool Cap is Compatible with Craftsman weed eater models: CMCST900, CMESTA900, CMESTE920, CMZST98020, CMCST915, CMCST900D1,CMEST913 Series. 【Perfect Fit 】 protective Trimmer Spool Cap is fitted with a snap-fastening structure to ensure that the weedeater string is securely locked in place. The perfect size significantly reduces the risk of trimmer line breakage and improves the stability of the machine by 40%, making it easy to handle all types of mowing tasks.