3M DBI-SALA Confined Space HC (High Capacity) Counterweighted Cart Base is constructed of powder-coated steel and aluminium, is portable, and has integrated adjustment features and utilises a specified amount of 20 kg weight plates as a means of ballast. When used as part of our complete system, this base meets the requirements of EN795:2012, EN1496:2006, CEN/TS 16415: 2013, and AS/NZS 5532.