Specifications Made in Korea Diameter: 5″ or 6″ Arbor: 5/8″-7/8″ – 20mmDescription: Looking for a perfect blade to accomplish sink cut-outs and precise curves? The Diaplus Blizzard Contour Blade is available in 5″ or 6″. Made with the highest quality diamonds, this contour convex blade will allow you to make smooth cuts and save time. Use the Blizzard Contour Blade for less chipping at optimal speed for clean, smooth, safe and fast cuts