Akron Low-Shrink Gray 3.17mm Natural Mold Rubber Strips, 2.27 kg. custom-cut The 14/20 notation refers to

The 14/20 notation refers to the ratio of karat gold to base-metal core by weight

This opaque semi-clear enamel works as a counter enamel (on the back side)

fine line engraving

1/4" square planisher

the gel temporarily secures gems in place on a display or while they are being photographed

Akron Low-Shrink Gray 3.17mm Natural Mold Rubber Strips, 2.27 kg. custom-cut The 14/20 notation refers toThis Akron low shrink gray natural mold rubber is a medium to firm rubber that ideal for molds where extra firmness is needed with minimal shrinkage. It delivers excellent detail reproduction with high tear resistance and elongation. Each strip has a dark blue polyethylene cover. Akron mold rubbers are manufactured in Akron, Ohio for controlled shrinkage, excellent cutting qualities and long life. These rubbers have an uncured shelf life of seven