The Milwaukee 21 in. Mower Blade is designed for use with the Milwaukee M18 FUEL 21 in. Self-Propelled Dual Battery Mower (2823-20). The 21 in. lawn mower blade is a direct replacement for the blade kitted with the M18 FUEL 21 in. Self-Propelled Dual Battery Mower. The steel blade offers users increased durability and longer life. The precision-machined cutting edge delivers an improved cut quality.
