HD 2m Stair Ladder UnitThe standard stair unit for use in HD Stair Towers between each platform level. These are used on 1. 8m long towers.

The stair has a clear tread width of 585mm

0m ALTO Universal Stair Unit - alto known as a 15 Tread Universal Stair - has a lift height range of between 2370mm and 3400mm approx

Also known as an outrigger

6m long MD tower

The standard short plain platform for HD towers

This is used on the MD and HD small and large stabilisers

This brace is used in certain special towers and AGR towers

8m double width HD towers

A double braked castor with a 150mm diameter wheel

An adjustable-height aluminium leg that fits onto the castor wheel and pins into the leg of any MD frame

The first ladder frame used on a single width HD tower with 5 rung starters

The finishing frame on certain Alto Stairwell Tower configurations