RECENTLY REDUCED! Need a high quality blade for those special refractory materials? This wet cutting refractory blade can be used to cut brick that is 80%-90% high alumina, super duty blast furnace, magnesia, zirconia, silica, and a wide variety of difficult to saw refractories. This is a high quality blade designed for high performance. Don't confuse this blade with imitators. American made. Available in sizes: 18" x.125x1, and 20" x.125x1. Shipping is FREE (contiguous US only).