For Black & Decker Reflex Strimmer Spool & Line BESTA525, BESTA528, BESTA530
BESTA525, BESTA528, BESTA530, BESTE630, CST1000, CST1100, CST1200, CST2000, GH400, GH500, GH600, GH610, GH900, GH910, GH912. This can be due to the manufacturer changing suppliers during or after a production run of the appliance.