Spool and line fits BLACK and DECKER Reflex Plus machines (twin line models) GL315, GL337/SB, GL350, GL500, GL546SC, GL600, GL650/SBC, GL651SB, GL652, GL653, GL655, GL656, GL660PC/SPC, GL670PC/SPC, GL675, GL680, GL685, GL686, GL687, GL690.
Grass Hog GH600 (twin).
Compares to A6441, 597862-00, 575462-00.