The Forfex 704R is a stainless-steel Trimmer replacement blade for the FX766, FX789, FX785, FX760, FX780, and FX49.
1) Turn Trimmer to OFF position.
2) Hold the trimmer with the ON/OFF facing you
3) Place your thumb against the smaller cutter
4) Push forward and release the blade from its housing.
1) Turn trimmer to OFF position
2) Hold trimmer with ON/OFF facing away from you.
3) Place your thumb on the large cutter.
4) Push the blade into the housing until it snaps into position with a firm click.