The 
Krobahn KB-DDSS11502 Segmented Diamond Cutting Disc - 115x22.2mm is a general-purpose blade designed for aggressive, heavy-duty dry cutting of a wide variety of construction materials, including stone, concrete, and brick. 
Key Features and Specifications
Design: The segmented rim design uses high-grade diamond segments (7mm height) to provide aggressive, fast cutting performance.
Dimensions: The disc has a 115mm diameter, a 22.23mm bore size (compatible with angle grinders), and is 2mm thick.
Performance: The segments are formulated for efficiency and a longer lifespan when cutting hard materials.
Usage: It is suitable for both wet or dry use; however, applying a water-based coolant is recommended for optimal durability.
Certification: The product is manufactured and certified to the safety standard EN13236.
Max RPM: The maximum recommended rotation speed is 13,200 RPM. 
Suitable Materials for Cutting 
Segmented blades are ideal for general purpose applications where an aggressive cut is needed over a fine finish: 
Stone
Concrete
Pipes
Brick
Roof tiles
Slabs
Lintels
Hard concrete paving slabs