This is for 3 x genuine black and decker spool and line's to fit all Black and Decker reflex grass strimmers. Will fit the following Black and Decker strimmers: GL120 GLC2500 GL340 GL530 GL540 GL550 GL570 GL570C GL580 GL580C GL425SC GL430S GL420 GL545 GL555 GL560 GL545 GL550 GL555 GL423 GL544 GL30 GL301 GL280 GLC3000 GLC2500 GLC2500L GLC2500N We are a 5 star Authorised Black Decker Service Repairs Agent and only deal with Genuine Black Decker Products.