Shepherd Regent Series Caster, 3" Gray Rubber Wheel with 7/16" x 1-7/16" Grip Ring Stem with Brake Capacity: 110 lbs Mounting: Grip Ring Stem - 7/16" Diameter x 1-7/16" High Wheel: 3" x 13/16" Gray Thermoplastic Rubber Mounting Height: 3-1/2" Finish: Zinc Plated