This is an original  Vietnam War US Army Boeing CH-47 Helicopter Pilot's CYC Trim Instrument Gauge. The gauge is in good used condition.  It is 2 x 2 x 3 1/2 inches.  This is an interesting piece of a very famous helicopter.  Payment must be received within 10 days of auction closing unless prior arrangements have been made. Buyer to pay shipping. If you have any questions please contact me via e-mail before bidding. Thank you for your interest in my auctions.