Caster Brake Included: No , Caster Product Group: Rigid Caster , Caster Type: Rigid , Caster Wheel Material: Polyurethane , Caster Wheel Shape: Standard , Core Color: Silver , Core Material: Aluminum , Durometer: 87 Shore A , Extended Lead: No , Frame Finish: Zinc Plated , Frame Material: Steel , Inside Bolt Hole Spacing: 2-3/8" x 3" , Lock Type: No Lock Included , Mounting Bolt Dia.: 3/8" , Outside Bolt Hole Spacing: 3" x 3-5/8" , Plate Size: 4" x 4-1/2" , Plate Thickness: 0.38" , Plate Type: B , Swivel Radius: 0" , Wheel Bearings: Precision Ball , Wheel Color: Orange , Wheel Width: 2"