About This 1. Vacuum Brazed technology: makes the industrial premium diamond grains permanently brazed to the edge of steel core,creating an unbreakable and extremely heat resistant segments 2. Long-life: Both side of core coated with abrasive grains, which provide smooth cutting, and reduce heat generating, it is guaranteed to deliver a better combination of cutting speed and tool life 3.Size: Out diameter 350mm(14 inch), the incision thickness is approximately 3.2mm, Bore 25.4mm(1 In.) with pin hole 4. Good Performance: The core is made with heat-treated hi-speed steel which are guaranteed to withstand the demands of dry and fast cutting, the maximum safe operating speed is 4,365 RPM 5. Application: Designed to cut through the tough materials, including granite, marble, Aluminum, Auto Body Panels, Cast Iron, Copper Pipe, Corrugated Roofing, Drywall, Ductile Iron Pipe, Fire Door, Masonry, Plastic, PVC, Rebar, Reinforced Concrete, Steel Metal, Stucco, Wood Overview Material : Alloy Steel, Diamond Brand : SHDIATOOL Product Dimensions : 13.78"L x 13.78"W Color : Black and Blue Number of Teeth : 130 Style : Auto Item Thickness : 3.2 Millimeters Item Weight : 1.9 Kilograms UPC : 718760499933