2. Refractory Blades Patriot Diamond Refractory Blades are
designed for high-performance chopping on masonry saws for even the
toughest refractory brick and block. From difficult, dense
refractories such as solid alumina and zircon to the less difficult
to cut materials such as basic brick. You may depend on Patriot
Refractory Blades to cut quickly and give you long service
life.