Up for sale is a Keen 6" Dual Action Backup Pad PSA Sticky Disc 6 Hole 5/16 X 24 Thread.This is a quality backup disc used for sticky paper discs.I'm not an expert on every item I sell so if I forgot to mention something just ask and I'll try to answer your question.You can enlarge the pictures to get a better look.I will always combine shipping (if possible) on multiple auctions won to save you money.Shipping price if quoted is to the lower 48 states only.All others ask for a quote.I can ship First Class mail to Canada but only Priority Mail to most other Foreign Countries.This cost the buyer more money but is the only way Ebay will offer Seller Protection.Payment is expected within 3 days.Thanks for looking and have a great day.