OFM1016 Features: * Double ball bearing swivel raceway * Heat treated raceways, top plate & kingpin * Zerk fitting in axle and swivel bearings * Double welded fork legs for superior strength * Bearing Type: Roller * Bolt Diam: 3/8 in Color/Finish: * Finish: Zinc Plated Dimensions: * Tread Width: 2 in * Plate Width x Length: 4 @ 4 1/2 in