Meade field tripod adapter 6.0" diameter, 4.0" high. Inside machined to fit G-11 and GM-8 mounts. Tube has 1/2" thick bottom with 1/2" hole in center, posts for the electronics are mounted on the side. Can be used to put your G-11, GM-8 on top of permanent piers.
Will fit CI-700 mount. Have more pictures if you wish to see how it's used.