Keep your lawn trimmer working at its best with these replacement bobbins dual filament replacement coils for various lawn trimmers and petrol brushcutters dimensions 2 x 4 m thread diameter 14 mm suitable for afs okay rt 2909 tct agravis ikra rt 4007 d agri retail landgoed rt 4907 d al ko perfect gt 400 avon rt 40 ct b q rt 8502 d bahr red rt 425 a bahr rt 450 bahr rt 520 30 d bauhaus hurricane hrt 4530 duo baywa green wave rt 431 draper rt 40 ct ede 3e zeus e flor rt 2945 d farm g