Here are 9 pieces Aluminum discs or spacers. They are point 880" OD or just over 3/4" OD x point 439" thick or tall x 1/4" ID.  These are new old stock. No vendor packaging. Unsure of mfg. Some minor blemishes from storage. Free shipping via USPS package / box with tracking. If you have any questions, please let me know. Thanks.