This add-on unit is half span, and only 1 meter long. All of the heavy duty shelving are 2m long, this add-on is used to utilise the last meter if you have an odd number measurement. It can not be used by its own. An ADD-ON unit joins to a starter unit, using one of the upright posts on the starter unit. For example if you have a row of 4 units, you need 1 starter unit and 3 ADD-ON units. Features - 2.0m (height) x 2.0m (width) x 50cm (deep) - Holds weight up to 150kg per shelf - Height of shelves can be easily adjusted - Extra safety secured with safety pins and foot plate to be bolted to floor. - 2 years warranty - Can be extended by purchasing ADD-ON Unit - Easy to assemble - Colour blue and white - Versatile storage system for non palletised goods - Racks are supplied flat packed for easy transport.