Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Ridges
Part Number 32064c
Name Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Ridges
Category Technic Bricks
Material Plastic
1 related part (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 47 sets
Black (8 sets)
    Green (7 sets)
      Light Gray (5 sets)
        Red (5 sets)
          White (5 sets)
            Yellow (5 sets)
              Blue (4 sets)
                Dark Bluish Gray (3 sets)
                  Light Bluish Gray (3 sets)
                    Dark Gray (2 sets)
                      Dark Red (2 sets)
                        Dark Turquoise (1 set)
                          Orange (1 set)
                            Tan (1 set)