1/2 Lb High Heat Furnace Large Patch Cement / Gold Melting Repair Fire Brick MYOGB-13-240 They are 2-1/8" wide X

They are 2-1/8" wide X 2-1/8" tall (Outside Dimension) and the (Inside dimension) is 1-3/8" wide X 1-3/4" tall with 5/16" walls

(1) Lightweight for scooping up sand to shake out treasures

maybe a bit more

- 1pc Screw Mandrel

The Tonopah Extension Mining Company

1/2 Lb High Heat Furnace Large Patch Cement / Gold Melting Repair Fire Brick MYOGB-13-240 They are 2-1/8" wide XYou will receive 1 2 Pound of the Castable High Heat Furnace Adhesive Cement Large Patch Product. Look at the photos to see the fibers in this mixture This can be used to repair your lid, base or cracks in and around anyplace that gets up to 2500F. It comes with instructions. (Its very easy, Just add 8 to 10% water and mix will)This is what is used when filling large gaps or chips or if you have had to chip out a overflow from your Bricks this is the