Collar for pallet dolly, height adjustable, zinc plated. Supplied = pre-assembled, final assembly by customer. Length = 1245 mm. Width = 845 mm. Colour = zinc plated. Height = 455 mm. Material = steel. Product type = dollies. Height adjustable in increments of 25 mm. Simple height adjustment with wing nuts. Adjustment range of 225 mm. Height adjustable collar, can be retrofitted