Blue tungsten Damascus patterned cores
6 mm and 8 mm total ring core width available
6 mm inlay channel comfort fit interior on 6mm total width
4 mm inlay channel comfort fit interior on 8mm total width
Laser etched tungsten pattern and IP plated blue
Care should be taken when sanding as these are plated cores and laser cut pattern, we recommend the following for optimal results when sanding : Green masking tape