Milwaukee M18 Fuel Quik-Lok Reciprocator Attachment. Milwaukee M18 Fuel Quik-Lok Reciprocator Attachment is powered by the Milwaukee M18 Fuel Power Head w/ Quik-Lok and is compatible with Milwaukee's split boom M18 Fuel Quik-Lok Attachment System. Reciprocator utilizes dual 9" blades and has a 1/2" cut capacity providing users with the ability to quickly clear thick brush. The M18 Fuel Quik-Lok Attachments feature protective drive shafts for increased durability against drops and while in storage. Split boom Reciprocator Attachment utilizes M18 Fuel Technology combined with optimized gearing to manage the RPM output specifically for reciprocating applications. Features 13 different attachments for a wide array of applications to stay productive through all seasons.