... rear parts of this saw blade is made of special alloy band saw bladeSPECIFICATION OF BI ... Rake (0°)Positive Rake (7°)Normal ToothCombi ToothNormal ToothCombi Tooth19 x 0.904,64/6,5/8,6/10, 27 ... x 0.903, 4, 6,82/3,3/4, 4/6 ... ,5/8,6/10 2/3, 3/434 x 1.072,3, 42/3,3/4, 4/6 2 ... /3, 3/441 x 1.272,3,42/3,3/4, 4/6 2 ... in China and could be available from stock band saw blade