18v cordless reciprocating saw with an electronic management system emsthe flex rs29180 18v cordless reciprocating saw in l boxx bare unit has its ems which protects the machine extends the service life and increases efficiency with its robust gearbox housing made of die cast aluminium and its durable 4 pole high performance motor makes this drill driver the perfect drill for all uses features and benefits electronic management system ems to protect the machine extend the service and life and in