Whirlwind USA LST 12-Inch Dry or Wet Cutting General Purpose Power Saw Turbo Segmented Diamond Blades for Concrete Stone Brick (Factory Direct Sale) (12" 15mm Seg) Designed for a variety of materials, including brick/block, pavers, concrete and stone. Can be used wet or dry. Sintered diffusion bonded. This diamond blade belongs to Whirlwind USA Lighting Series - Lighting General (Segmented Turbo Lighting) Sgement hight 15mm. Arbor 1-Inch. Size is 12"x.110"x.590"/15mm.