LEGO Dark Stone Gray Door Frame 2 x 8 x 6 Revolving without Bottom Notches (40253)

LEGO Dark Stone Gray Door Frame 2 x 8 x 6 Revolving without Bottom Notches has been used in at least 1 LEGO sets over the past 20 years, since it was first used in 2004. You can also find this part in at least 9 other colors. It has a design ID of 40253 which can usually be found molded into the bottom of the part.