Dark Bluish Gray Slope 1 x 2 x 2/3
Also known as Dark Stone Grey Roof Tile with Lattice 1x2x2/3 and it has 4 slots on top.
Other dimensions used 2x1x2/3.
Color Family: Grey
Released in 2008.
Element ID # 4540386
Design ID # 61409
LEGO® parts has small pieces that is not suitable for children at the age of 3 years old and younger and may pose as a choking hazard.