Product Details:

Designed specifically for use on stationary masonry saws.
Silent Core (SP only) reduces noise 5-10 dB.
Dry or wet use.
Hard brick, hard natural stone, fast cutting.
Concrete block, clay brick, good balance of speed and life.
Tensioned to run straight with minimal vibration

Blade Diameter: 20 in
Thickness: 0.125in
Arbor: 1 in
Usable Segment Height: 8mm
Base Materials: Masonry, concrete block, clay brick
Specifications: M1
Hilti PN: 427184

One blade per package.