Product Name "Keyboard Ring". Designed by Japan.
Type can be chosen the command key or the ctrl key.

Want to know more puroduct detail? Watch movie.
The material of movie is Silver Glossy.
Available in either stainless steel (antique bronze & gold plated) or silver.

The default size is 20.6 mm inner diameter but you can customize the size to your liking.
Click personalize to choose your US ring size.(Size support: # 8 to # 13.)
Please refer to a this page.
And key type choose the command key or the ctrl key.

Conversion chart for ring sizes

US Ring Size      Inside diameter
       8                         18.1mm
       9                         19.0mm
      10                        19.8mm
      11                        20.6mm
      12                        21.4mm
      13                        22.2mm


Please also see other designs.
Shop here.
http://www.shapeways.com/shops/forma

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