Welded tubular steel construction; 4 carrier spars per upright; Circa carrier-spar length 595 mm; Width of trolley continuously adjustable; Height of carrier-spars continously adjustable; Scale for adjusting arrangement of carrier-spars; Load capacitiy per carrier-spar 20 kg; Powder-coated RAL 5010 gentian blue; Permanent surface protection; Impact- and scratch-resistant; Grey non-marking thermoplastic rubber tyres on plastic wheel rim with precision deepgroove ball bearings; Thread guard and foot guard; 2 swivel castors with brakes and 2 swivel castors, 1 of them with direction lock.