Hu-Friedy 12 Instrument 2-Tier Replacement Rails – IMS-2112RL Resin Replacement Rail Set. Two-Tier, 12 Instrument Base and Compression Rails for IMS-2112RL. Set contains compression rails and base rails. CONTACT US: If you have any question or need help with the products here please contact us via email or call number 323 585-5000 DISCLAIMER: “The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.”