For all kinds of bulk goods; is emptied at ground level sturdy steel sheeting construction with reinforced edging frame made of steel tubing welding, oil- and watertight spring safety fastening 2 wheels + 1 swivel castor (as of KW 600 upwards 2 swivel castors) made of solid rubber, Ø 250 mm x 60 mm, one swivel castor with brake handle load capacity 300 kg