THTEN CMZST0803 CMZST080 Trimmer Replacement Blades Compatible with Craftsman CMCST910,CMCST910M,CMCST910M1 Series weedwacker String Trimmers 18 Pack HT19-401-003-03 1+8+4+1 If you do not know

If you do not know your trimmer head

Compatible with string trimmers using

fit for original spools models: DF-080 / DF-080-BKP

flexible and long service life

THTEN CMZST0803 CMZST080 Trimmer Replacement Blades Compatible with Craftsman CMCST910,CMCST910M,CMCST910M1 Series weedwacker String Trimmers 18 Pack HT19-401-003-03 1+8+4+1 If you do not know[Compatible with Craftsman models]: CMCST910,CMCST910M,CMCST910M1 Series Craftsman WeedWacker String Trimmers. [Easy Installation]: simply push this trimmer head into the string socket and it automatically locks in place with assistance from the side push buttons. [For Best Use]: avoid using this accessory for edging, working alongside brick, chain, or wooden fencing. [Products Include]: The package contains 18 Pack Polycarbonate Blades [After Sales