2" Metal Ball Caster, Windsor Antique with 5/16" x 1-1/2" Wood (Grip Neck) Stem Capacity: 75 lbs Diameter: 2" Mounting: Wood (Grip Neck) Stem - 5/16" diameter x 1-1/2" long Finish: Windsor Antique Bearing: Self Lubricating Acetyl Resin Bearing