Caster Brake Included: No , Caster Product Group: Rigid Caster , Caster Temp. Range Available: Yes , Caster Type: Rigid , Core Material: Cast Iron , Extended Lead: No , Frame Finish: Red Enamel , Frame Material: Steel , Inside Bolt Hole Spacing: 2-7/16 x 4-15/16" , Lock Type: No Lock Included , Mounting Bolt Dia.: 1/2" , Outside Bolt Hole Spacing: 3-3/8 x 5-1/4" , Plate Size: 4-1/2 x 6-1/2" , Plate Thickness: 0.25" , Plate Type: A , Swivel Radius: 0" , Wheel Bearings: Precision Ball , Wheel Width: 2.5"