Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls]
Part Number 42195
Name Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls]
Category Technic Connectors
Material Plastic
2 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 312 sets
Black (118 sets)
    Light Bluish Gray (118 sets)
      Red (53 sets)
        Dark Green (33 sets)
          Dark Bluish Gray (21 sets)
            Green (15 sets)
              Lime (13 sets)
                Sand Green (10 sets)
                  Blue (9 sets)
                    Medium Nougat (5 sets)
                      Medium Azure (1 set)
                        Vibrant Yellow (1 set)