Review on 💎 ALSKAR DIAMOND USA ADLSS 14-inch Dry/Wet Cutting General Purpose Segmented High-Speed Diamond Saw Blades for Concrete, Stone, Brick, and Masonry (14-inch) by Josh Garber

This thing came with an odd spec describing how to install different sized mortises. What they did was push a brass bushing into the mandrel hole. This fit my little angle grinder setup, but as I used the tool the blade started to slip, and eventually the blade stopped spinning when it met resistance in the concrete block. I squeezed out the loose bushing and readjusted my tool for a larger shaft. I completed the work without any further problems. So this works, but may fail if you depend on a small stem size.