Clamps for holding objects while setting, engraving, etc.  The set comes with inside ring sizers from 4 to 10 in two widths.  The cost of the set is $99.00  plus $10 shipping within the United States.  if you would like to purchase the set you can order it one of two ways.  Venmo $109 to @matthew-gross-65 or PayPal to  Please include your mailing address and email address for tracking info in the notes with your purchase.  Clamps are made to order and ship the next day if there is not a backlog of orders.  The clamp colors can vary from white, gray, red etc.  specific color orders are not available.  Follow the instructions so the clamps do not crack.