x4 2429C01BlackHinge Plate 1 x 4 Swivel Base with Same Color Hinge Plate 1 x 4 Swivel Top (2429 / 2430)
x2 4870C07Medium Stone GreyPlate, Modified 2 x 2 Thin with Dual Wheels Holder - Split Pins with Light Bluish Gray Wheels and Black Tires (4870 / 4624 / 59895)
x4 4624C05Medium Stone GreyWheel 8mm D. x 6mm with Black Tire 14mm D. x 4mm Smooth Small Single with Number Molded on Side (4624 / 59895)