Check the listing for details. Circom ACMI 4801 Working Element with Rack and Pinion Design. Condition: Used. Listed at 110.00 USD. box 019 package 43 Circob ACMI 4801 Working Element with Rack and Pinion Design 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 so, do not bid on this item unless you are an authorized purchaser. If this item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping the item. And please read this listing carefully and ask any questions you may have as we value honesty and want you to buy in confidence. If not pictured or stated, then it's not included. All items sold as is, any expired product is for teaching and demonstration purposes only, with no warranty or guarantee for a specific use or purpose. Any and all items should be sterilized, cleaned, recalibrated from sitting and storage. Shipping is continental US only. If you have a broker that ships internationally, we will work with you and ship to a domestic location. Please ask us questions and thank you.