Cone Style Rotating Truck in a variety of bearing and finishes.
9070 Series: Standard Stainless Steel bearings on a Cast Bearing Race Fits 3 1/2" Pole Tops
9060 Series: Standard Dual Sealed Bearing Assemblies Fits 3 1/2" Pole Tops
9800 Series: Large Dual Sealed Bearing Assemblies Fits 4 1/2" Pole Tops
9900 Series: Xtra Large Dual Sealed Bearing Assemblies Fits 7 1/2" Pole Tops
xxx appended to the number describes the finish color:
BZT - Bronze Tone
BLK - Black