Milwaukee's M12 High Speed Flexible Shaft Machine is a lightweight, but efficient battery-powered drain cleaner that can be used in pipes of between 32 and 50mms, and has a cleaning range of 10.5 metres.
 
Capable of between 450 and 1850 RPM
 
Nylon coated 6mm cable compatible with most common attachment heads
 
Small and lightweight for easy transportation 
 
Integrated mechanical clutch to protect cable
 
Works with all Milwaukee M12 batteries