Available are 2 of the very nice wood grips for mounting the CN remote control buttons on the stick. I ended up not using them and they were never installed.
Bore is 0.763 or 19.4mm which makes them sized for SH diameter sticks, but with a little creativity they could be used on any glider.
Like to get $50 each, but open to offers plus shipping. The remote control units are available from a couple different vendors online.
Mark
Link to a pictu
http://daziv.com/arcus/IMG_2011.jpg