These classic hooded ball casters offer a decorative look. The custom options allow you to create your own unique caster design. You can specify your choice of metal finish including Chrome, English Antique Brass, Antique Copper, or Bright Brass. These wheels have a multipurpose vinyl tread that is suited for most hardwood floors, linoleum, carpet, chair mats, etc. (Not recommended for Soft Wood floors). These chair wheels offer your choice of stem options to fit almost any chair. Please specify the stem option accurately. Easy installation, just pull out the old chair wheels and insert the new ones. This product is offered in your choice of 4 or 5 pieces per set, specify your choice below. Specify a quantity (Qty) of 1 for 1 set.. 2 for 2 sets.. etc. Satisfaction guaranteed, if product does not meet your needs, just return within 30 days for a refund (shipping is not refundable). If you have any questions, just call toll free.