These Lego blocks are used for the installation on the top of the wall to give the structure a finished and aesthetically pleasing look.
Type 160.40.40-Т is the smallest block, where 160 is its length, 40 is its height, and 40 is its width (all in cm). The Т represents its type. Max. dimensions for the Т-type blocks are240Х60Х60 cm.