Natural Euro Charcoal Block 2-3/4" x 2-3/4" x 1-1/4" (70 x 70 x 30mm) Lab Created / Assembled Faceted Gemstones Because zinc can cause bubbling

Because zinc can cause bubbling and surface defects when solder comes into contact with enamel during firing

Also functions as a flat plate

Each pair is individually blister packed

Lab grown via HPHT (High Pressure High Temperature) process

Natural Euro Charcoal Block 2-3/4" x 2-3/4" x 1-1/4" (70 x 70 x 30mm) Lab Created / Assembled Faceted Gemstones Because zinc can cause bubblingThe Natural Euro Charcoal Block is a professional grade soldering surface designed for jewelers and metalsmiths who demand reliable heat retention and performance at the bench. Measuring 2 3 4" x 2 3 4" x 1 1 4" (70 x 70 x 30mm), this compact square block provides a stable, heat reflective work surface ideal for soldering small to medium jewelry components. Natural charcoal is a preferred soldering surface among professional jewelers because it