LEGO Dark Stone Gray Door 2 x 8 x 6 Revolving with Shelf Supports (40249 / 41357)

LEGO Dark Stone Gray Door 2 x 8 x 6 Revolving with Shelf Supports 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 8 other colors. It has a design ID of 40249 which can usually be found molded into the bottom of the part.