Whirlwind USA TTT 8-inch Laser Welded Dry or Wet Cutting General Purpose Supreme Turbo Power Saw Segmented Diamond Blades for Cutting Concrete and Masonry (Factory Direct Sale) (8") Designed for cutting concrete, masonry, brick/block and other building materials. Can be used wet or dry. Laser welded Segment height 10mm. This diamond blade belongs to Whirlwind USA Thunder Series - Thunder General (Standard Turbo)