Compatible with Craftsman 20V 60V CMCST920 CMCST960 Qucikwind Weedwacker Series Cordless String Trimmer.Craftsman 20V trimmer (CMCST920B,CMCST920M1),Craftsman 60V trimmer (CMCST960D2,CMCST960E1) QuickLoad spool feature allows for fast and easy reloading of line with a twist of the cap;Pre-Wound Dual 0.080" 20 Ft Aerodynamic Line for cordless cutting efficiency; Replacement trimmer head shell is made of ABS material and line is made of high quality nylon material to maximize cutting efficiency and durability Easy Installation: Designed for quick and easy installation, allowing you to replace the trimmer head without hassle. Scope of delivery:1*Replacement Head Craftsman CMZST260H CMZST260H Replacement Bump Feed Head Compatible with Craftsman 20V 60V CMCST920 CMCST960 Qucikwind Weedwacker Series Cordless String Trimmer.Craftsman 20V trimmer (CMCST920B,CMCST920M1),Craftsman 60V trimmer (CMCST960D2,CMCST960E1)