I'm here to talk about our GRS 30-piece attachment set.  These pieces are used with your engraving block.  You have your leather-coated jaws.  All these pieces fit on your upper jaws of your engraving block.  It also comes with four sticks of thermal lock.  If you're not familiar with thermal lock, it's a great tool to use.  You heat the sticks up, form it to any position you want.  You can actually put a piece in there whether it be earrings, rings, stick it in your vice and it holds just like shellac but better.