EP CONTOUR BLADE (for Marble & Engieneered stone) ItemTypeSpecGrit SizeBore/ArborRemarks ISCB-450Dot4.5"(115ø)#50/607/8"-20-5/8" ISCB-500Dot5.0"(125ø)#50/607/8"-20-5/8" *Abor:7/8",5/8"(Grit size:#50/60)