Fire Brick - 2 Pack FIRE BRICKS - Lightweight heat resistant surface. Includes 2 bricks. MULTIPLE USES - Use to fire PMC+, PMC3 and silver soldering projects. WITHSTANDS HIGH TEMPS - Built to withstand temperatures up to 1600F. EASY TO CUT - Cuts easily with a saw. DIMENSIONS - Large surface - 9" long x 4-1/2" wide x 2-1/2" thick.