Magnesia Block For Soldering 6 Inch Lightweight 3.7oz.
Non-asbestos fireproof material is fibrous so it is soft enough that one can pin objects on the surface for perfect soldering. Good for filigree work as surface stays smooth. Lightweight 3.7oz., yet durable so it's easy to ship. Withstands temperature up to 2000F. Measurements: 6" x 3" x 1.5" Quantity: 1 Magnesia Soldering Block