Profile: The Revvo Castor Company manufactures and supplies castors. Our products include wheels, pressed steel castors, scaffold castors, cargo handling castors and fabricated steel castors. The econothane wheel series are suitable for medium duty applications up to 6kph and consist of a bonded polyurethane tyre of 95 shore A to an aluminum die cast centre, housing two precision ball journal bearings. SJE scaffold castor features 200 diameter nythane wheel, plug top fitting and a single pedal brake. The 2ST-2FT series is a heavy duty twin wheel castors loads up to 4675kg. These twin wheel castors are based on the T series swivel design. Using two wheels allows heavier loads without increasing the wheel diameter and still retains a compact overall height.