Alien Skin thickness choice The ring shown is 6mm

The ring shown is 6mm wide for a 5mm stone

They are powered by normal spur gears on the back

The Helixx Spiral was an answer for guys wanting a ring like the Helixx Tension Set

This is a stylish ring that is surprisingly comfortable to wear

Alien Skin thickness choice The ring shown is 6mmThe Alien Skin ring is a flat profile ring that has the unique looking finish. Although the photo doesn't do it justice, the finish is made up of random lines of swirled texture. The lines seem to move as the light is shifted. The finish is smooth to the touch, so the ring is comfortable. The ring shown is 9mm. Alien Skin can also be specified to go on any of the other rings. You would simply choose that ring and pick Alien Skin as the finish.