The tried and true Thule 53 in. squarebars are load bars designed for the Thule Evo roof rack system. The bars are made of steel with a plastic polymer coating that provides additional grip for rooftop cargo. Made of Steel. Plastic coating adds extra grip. Length: 53 in. / 135 cm.. Width: 1.4 in.. Height: 2 in.. Capacity: up to 220 lbs.. Please check the Thule Buyer's Guide to find out these load bars fit your vehicle.. Imported. 91021849419 33979000006 712400