Welded steel construction; Suitable for Euro pallets or cage pallets; Incl. locating cups and lifting rings; 4 galvanised connecting tubes for insert into edges; Add-on frame stackable on connecting tubes; Variable removable; Powder-coated RAL 7035 light grey; Permanent surface protection; Impact- and scratch-resistant; Elastic solid-rubber tyres on cast aluminium wheel rim with precision deepgroove ball bearings with foot guard; 2 EasySTOP swivel castors and 2 fixed castors.