LEGO Light Gray Door 1 x 4 x 9 Arched Gate with Bars (42448)

LEGO Light Gray Door 1 x 4 x 9 Arched Gate with Bars has been used in at least 1 LEGO sets over the past 21 years, since it was first used in 2003. You can also find this part in at least 10 other colors. It has a design ID of 42448 which can usually be found molded into the bottom of the part.