Comfort fit interior, one piece polished ring core, flat edge ring core, 316 stainless 
Available in 4 mm total ring width with 2 mm inlay groove width
Available in 6  mm total ring width with 4 mm inlay groove width
Available in 8 mm total ring width in the 6 mm inlay groove width
Available in 10 mm total ring width in the 8 mm inlay groove width