Name: FACHLICH Dia115mm Different Purpose Cutting Disc Quantity: 1pc or 3pcs Set Color: Black or Silver or Green Package: paper box Specfication and Application Metal Cutting Disc 1)Blade material: HHS(High Speed Steel) 2)Specification: Diameter 115mm;Bore 9.5mm;60 Teeth;Max 7000RPM; 3)Application: Suitable for cutting copper,aluminum,other soft metal,drywall,etc. Wood Cutting Disc 1)Blade material: TCT(Tungsten Carbide Tipped) 2)Specification: Diameter 115mm;Bore 9.5mm;24 Teeth;Max 7000RPM; 3)Application: Suitable for cutting all kinds of wood,synthetic wood,PVC pipe,hard plastic,etc. Concrete Cutting Disc 1)Blade material: Diamond Coated 2)Specification: Diameter 115mm;Bore 9.5mm; Segment Height 8mm; Segment Thickness 2mm;9 Teeth; Max 7000RPM; 3)Application: Suitable for cutting concrete,reinforced concrete,stone,terrazzo,granite,marble,etc.