LEGO Dark Stone Gray Design Brick 4 x 2 x 3 5.9 Ball (27168)

LEGO Dark Stone Gray Design Brick 4 x 2 x 3 5.9 Ball has been used in at least 10 LEGO sets over the past 7 years, since it was first used in 2017. You can also find this part in at least 2 other colors. It has a design ID of 27168 which can usually be found molded into the bottom of the part.