Stainless steel Flat comfort cores, Ring blanks
Available in the following total widths; 4 mm, 6 mm, 8 mm, 10 mm
1.5 mm total thickness of the core
Available in sizes 3 -17 in most widths
No edge, flat top (see note below) and comfort fit polished interior
GLUE LOCK TM grooved cores for better glue adhesion