Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support
Part Number 3010a
Name Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support
Category Bricks
Material Plastic
21 related parts (same mold or print family)

Variants of a mold are catalogued separately, so each one has its own sets and minifigs. Check these too if something you expect is missing here.

Appears in 57 sets
White (21 sets)
    Blue (16 sets)
      Red (15 sets)
        Black (12 sets)
          Light Gray (11 sets)
            Yellow (6 sets)
              Trans-Clear (1 set)