150mm Diameter Castor WheelA double braked castor with a 150mm diameter wheel. The castor is inserted into the base of an adjustable leg (2240) and the leg is locked into the vertical tube of a frame at the base of a tower. This is the size of castor that is supplied as standard with Alto HD towers.

4m double width MD towers

7m platform units as the infill platform on various BS 1139-6:2022 HD tower configurations

Please allow approx

The standard short plain platform for HD towers

A horizontal brace for a 1

Please click here for the original Alto Stairwell tower feet

8m HD AGR tower

5m ALTO Universal Stair Unit - alto known as a 6 Tread Universal Stair - has a lift height range of between 1030mm and 1500mm approx

A double braked castor with a 200mm diameter wheel

The base frames used on the Alto Stairwell Tower

The starting frame used on the Alto Mini tower

8m long towers