European Compressed Charcoal Blocks Select Size:Large Threaded screw design securely holds

Threaded screw design securely holds cartridge rolls and inside ring cylinders

Compatible with Fretz Insert Hammers HMR-6 (137

Length 6 in

the Ray Grossman original Jump Ringer

Not to be confused with the larger decorative tools commonly used on a lathe for creating the decorative edge of a wedding band

European Compressed Charcoal Blocks Select Size:Large Threaded screw design securely holdsThese European compressed charcoal blocks are imported from Poland and made of dense compressed charcoal, making them harder and heavier than standard soft charcoal blocks. Used in soldering and annealing setups, the dense material reflects heat back into your work for more efficient results. Before use, wrap the sides tightly with binding wire and heat cure the block to prepare it properly. Annealing the block before first use will also extend its