The Milwaukee 4 Tooth Brushcutter Blade is designed for use with Milwaukee Brushcutters, including the M18 FUEL™ Brushcutter (M18FBC) and M18 FUEL™ Brushcutter Attachment (M18FOPHBCA). The brushcutter blade is a direct replacement for the blade kitted with both the M18 FUEL™ Brushcutter and M18 FUEL™ Brushcutter Attachment. The steel blade, with two cutting edges, offers maximum durability and product life.