Bronze-infused stainless steel with visible print lines and rough feel.
About this Product
Part 2 of the U-Lock is the Crossbar and easily pops into the Lock. The two of these pieces combined makes a lock that even a (toy) soldier couldn't break. (U-Lock sold separately. Chain not included)
Part 1 is here: https://www.shapeways.com/model/389239/u-locket-part-1.html