This Topstore Spacemaster Single Sided 'Adda' kit is designed to be used in conjunction with the Spacemaster starter kits to provide even more storage space and versatility. Ideally used with the MSS1.5 kit, this 'Adda' comes complete with a single side louvered panel and 60 TC3 blue storage bins capable of holding loads of up to 20kg each, providing users with a huge amount of storage space, great in any workspace.