Pump - Flexdrive Shaft 63 Mm for Hire in Blacktown and Sydney. The PUMP - FLEXDRIVE SHAFT 63 MM is suitable for pumping from waste pits, dams, trenches, footings, tanks, swimming pool excavations, etc. Rugged, cast-iron body designed for general purpose use by drainage contractors, plumbers, municipalities, etc. Will handle silt and sand up to 15mm. Work in conjunction with a FLEX DRIVE MOTOR