Welded steel construction; With 2 innovative plastic safety handles; Toe of sheet steel; With bended transverse struts; Powder-coated RAL 5010 gentian blue; Permanent surface protection; Impact- and scratch-resistant; Pneumatic tyres on steel wheel rim or solid-rubber tyres on special plastic wheel rim with precision deepgroove ball bearings and plastic wheel cap; Additional support roller with grey non-marking thermoplastic rubber tyres on plastic wheel rim with precision deepgroove ball bearings; Thread guard; 2 swivel castors; With gas pressure spring and 1 non-slip pedal on axle.