3" Nylon Wheel Leveling Caster with Hexagon Top Plate - Set of 4
-Top Plate: (Hexagon Type) 2- 9/16" - Width Across Flat
-Bolt Hole Spacing: (Center Hole) M12 x P3.0
-Bolt Size: M16 x P2.0 x 40L
-Wheel Diameter: 3"
-Wheel Type: Nylon
-Tread Width: 1 - 3/16"
-Swivel Radius: 3 - 9/16
-Load Capacity: 2200lb