Whirlwind USA LSC 4 1/2-Inch Dry or Wet Cutting General Purpose Continuous Turbo Power Saw Diamond Blades for Concrete, Masonry, Stone (Factory Direct Sale) (4.5") Used on concrete, masonry, stone and other building material. Made to cut fast with minimal chipped edge. Can be used wet or dry. Sintered diffusion bonded. Rim height .395"(10mm). Arbor 7/8"-5/8". Size is 4.5"x.070"x.395"/10mm. This diamond blade belongs to Whirlwind USA Lighting Series - Lighting General (Continuous Turbo)