These are a set of OEM Furuno knobs for several displays. The part number on the knobs is 100-173-274.
Some may be new. Some may be used, regardless they are in excellent condition
These will fit several displays, including the 1621, 1622, 1623, 1712, and 1715 radar displays, GP-1850 series, GP-1650 series, GP-3_ series (not the gp-33), RD-30, FCV-582L, FCV-600L, and others.
Ships free in the continental U.S.
All items sold at Max Marine Electronics come as you see in the pictures provided, with ONLY the parts and accessories shown in the pictures. Do not assume any additional items will be included in your shipment. IF YOU DO NOT SEE SOMETHING YOU EXPECT TO BE INCLUDED IN THE PICTURES WE PROVIDE, IT WILL NOT BE INCLUDED. Read all descriptions thoroughly. There are times a display is used ONLY to show the item being sold is functional and working properly. In this case these displays ARE NOT included, this will be stated in our descriptions. If you have ANY questions feel free to send a message or call Max Marine Electronics Inc, Pompano Beach, Florida. We always want to be transparent with our customers and fully disclose any information regarding the products we sell.