Just in at Tone Chasers Music are these 1940s Kluson vintage 3+3 open back strip tuners with screws in very good condition. As pictured. 
Available to view at 121 Division Ave S, Grand Rapids, MI 49503.
*** If you have questions or would like to make an offer on a this item, please   store via call, text or email at 616-381-9611 / paul@tonechasersmusic.com ***