Round size: 1" (25mm), 1-1/4" (32mm), 1-9/20" (37mm), 1-3/4" 44mm, 1-3/10" (58mm), 3" (75mm). Down-shell: ABS mylar disc / Iron Metal Bottom. Conditon: 100% Brand New and High Quality. Down-shell ABS / Iron Metal: 500pcs. S&H will be determined based upon your address. If you have any problems or concerns to your order or products, please message us and give us a chance to assist before you leave any feedback. We believe that we can produce a positive outcome to any situation to earn your likes.