LEGO Reddish Brown Connector 2 x 3 with Ball Socket and Smooth Sides and Rounded Edges (93571)

LEGO Reddish Brown Connector 2 x 3 with Ball Socket and Smooth Sides and Rounded Edges has been used in at least 1 LEGO sets over the past 10 years, since it was first used in 2014. You can also find this part in at least 19 other colors. It has a design ID of 93571 which can usually be found molded into the bottom of the part.