WireJewelry Medium Duty Insulating Fire Brick, Rated up to 2300 Degree Fahrenheit - 12 Pack

2300F° Rated Insulating Fire Brick - Medium Duty Size: 9 x 4.5 x 2.5 Inches Perfect for Soldering Applications, Melting and Forming Forge Lining Soft Surface Allows for Easy Shaping and Cutting 12 Pack, Made in the USA