Road Sign Clip-on 2 x 2 Square [Thick Open O Clip]

Reference

15210

Road Sign Clip-on 2 x 2 Square [Thick Open O Clip] (part 15210) is a LEGO element. CollectORbuild's catalog records it in 202 sets, including AT-AT and AT-ST Raider. It has been produced in 8 different colors.