⚠ WARNING — California Proposition 65: The cutting and grinding products on this page can expose you to chemicals including crystalline silica (airborne particles), which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
CARBIDE MORTAR RAKE — Our US Best Seller
Mortar rake for brick & masonry. Fits 5/8"-11 angle grinders — pick your joint width. Buy 5+ save 10% · buy 20+ save 15% — applied automatically at checkout.
TILE LEOPARD — Pick Your Size
Diamond blade for porcelain, ceramic & stone. Three diameters, one clean cut.
NEW
Chalk That Doesn’t Quit in the Rain — Paving Stone Markers, Set of 5
- Shatterproof — fiber-reinforced core won’t snap like regular chalk
- Doesn’t dissolve in moisture — lines hold on rain-wet pavers and wet-cut stone
- Marks wet & dry — concrete, pavers, natural stone, brick
- Wipes off clean — marks by abrasion, no paint, no stains
Our Story
Two founders. One garage. Thirteen years of German engineering.
In 2012, Benjamin and Rainer started PRODIAMANT as a side venture in Germany — no investors, no shortcuts, just an obsession with diamond tools that actually last. Today, tens of thousands of pros across Europe cut, grind and repoint with our blades.
Now we’re bringing that same German precision to American jobsites — stocked in U.S. warehouses, shipped within 24 hours, and still tested by the same two guys who started it all.
Read Our Story →






