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Plate, Modified 2 x 2 Thin with Dual Wheels Holder - Split Pins with Black Wheels and Black Tires (4870 / 30027b / 30028)
Bricklink ID:4870c05
Weight:2.500 g
4870c05

Sets with this part (from Bricklink)
  Part color Light Bluish Gray
 


 Set nameRelease yearQuantity
33683368 Space Center20114