Strimmer Spool Line For Challenge N1F-GT-250/350-B, N1F-GT-220/250-C, SRT350B
DCSRT18, LRT250B, N1F-GT-240/250-B, N1F-GT-250/350-B, N1F-GT-220/250-C, SRT350B. Spool & Line. For Twin Line Challenge Models. This can be due to the manufacturer changing suppliers during or after a production run of the appliance.