... Performance:non sparking A1091band saw file performance is introduced 1,A1091band saw file no. is A10Name MaterialBrandPerformanceApplicable scopeA1091band saw fileAL-CUZBZGnon sparkinggas station ... , sparks do not drop sparks.3,A1091band saw file Face hardness:HRC25°4,A1091band saw file Tensile strengthδb75-85kgf/mm25,A1091band ...