Milwaukee 2722-20 M18 FUEL 18V Lithium-Ion Cordless Super SAWZALL Orbital Reciprocating Saw, Tool Only. The M18 FUEL SUPER SAWZALL Reciprocating Saw can also be referred to as cordless reciprocating saw, M18 SUPER SAWZALL, orbital reciprocating saw, brushless reciprocating saw, and cordless demolition saw.