Up for sale is this Vtg Modern Original Knoll Pollock Chair Seat Upholstery Button Part  with minor signs of use and wear. It is 5/8" dia.  I have included a photo of the chair that it came from and is NOT INCLUDED. Please note that this listing is for multiples of the same item, so you may not get the exact one in the photos, but one of the same quality. Please ask questions before you bid. The buyer will pay $5.95 for packing and shipping to the lower 48 via USPS Ground Advantage mail  Thanks for looking!!!!