Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support

Reference

3010a

Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support (part 3010a) is a LEGO element. CollectORbuild's catalog records it in 33 sets, including Alien Moon Stalker and All-Terrain Vehicle. It has been produced in 7 different colors.