Disposable Shrink Band for Perforated Flask Faceted Gemstones so you’ll always have a

so you’ll always have a back-up when needed

the extra-fine tapered jaws are ideal for accessing tight spaces

one of each color: blue

The Delrin jaws are made of a proprietary thermoplastic resin that resists interaction with chemicals and protects workpieces against marring

Disposable Shrink Band for Perforated Flask Faceted Gemstones so you’ll always have aSeal your perforated flasks for investing with this easy to use disposable Shrink Band. Slip the band over the flask, then simply apply heat to shrink it tight, sealing your perforated flask. You can use a steam dewaxer, hot water or a heat gun to shrink the band. Bands are easy to remove, too; simply peel them off the flask after investing. They leave no residue, so no extra clean up is needed.