RISAM – synthetic sharpening stones
RISAM – synthetic sharpening stones for precise sharpening without compromise
RISAM synthetic sharpening stones are designed for anyone who demands consistent, efficient and precise knife sharpening. Thanks to high-quality abrasive materials and carefully selected grit sizes, RISAM offers the ideal solution for both beginners and professionals in the kitchen.
Each stone is optimised for a specific stage of sharpening – from coarse grinding of a blunt blade, through normal sharpening, to fine polishing of the cutting edge.
Why choose RISAM synthetic stones?
Balanced ratio of removal and fineness – ideal for precise blade control
Available in double grit versions (e.g. 1000/3000 or 400/1000) to save space and money
High-quality binder and durability – the stones do not deform and have a long service life
Suitable for most types of kitchen knives, including Japanese steels.
Recommendation
For home use, we recommend a combination of medium and fine stones, and for advanced users, the addition of a coarser grain.
Product sorting
List of products
RISAM guide for sharpening knives on water stones, ceramic contact surfaces. The guide is suitable for knives with a blade height of at least 19 mm.
Comparison block of grinding stones, ceramic with coarseness JIS #180. Keep your grinding stones straight at all times. Use our leveling block to remove the wavy surface of the...
Adjustable RISAM grinding stone holder, suitable for multiple stone sizes thanks to movable foot with stop. Use the guide screws to adjust the desired stone size. Non-slip...
Combination grinding stone Risam with very fast grinding and polishing effect. The stone is made of synthetic Corundum (aluminium oxide). The grinding stone is supplied with a...
Sharpening Stone Set RISAM including guide to maintain the blade angle. Suitable for precise and fine sharpening. The set includes JIS #800, #2000 and #5000 grit stones + guide.
Risam precision grinding stone with the highest Japanese JVT standard. Strong abrasive force and very fast grinding and polishing effect. The stone is made of synthetic Corundum...
Risam large combination water grinding stone with very fast grinding and polishing effect. The stone is made of synthetic Corundum (aluminium oxide). The grinding stone is...
Combination grinding stone Risam with very fast grinding and polishing effect. The stone is made of synthetic Corundum (aluminium oxide). The grinding stone is supplied with a...
RISAM combined grinding stone with very fast grinding and polishing effect. The stone is made of synthetic Corundum (aluminium oxide). The grinding stone is supplied with a...
RISAM ADVANCED sharpening stone set. Includes RISAM stones #800, #1500, #3000 made according to Japanese standards for basic edge repair, fine sharpening, and final polishing +...
Combination grinding stone RISAM with very fast grinding and polishing effect. The stone is made of synthetic Corundum (aluminium oxide). The grinding stone is supplied with a...
Large combination grinding stone RISAM with very fast grinding and polishing effect. The stone is made of synthetic Corundum (aluminium oxide). The grinding stone is supplied...
High quality Risam combination water grinding stone with very fast grinding and polishing effect. The stone is made of synthetic Corundum (aluminium oxide). The grinding stone...
Combination grinding stone Risam with very fast grinding and polishing effect. The stone is made of synthetic Corundum (aluminium oxide). The grinding stone is supplied with a...
Combination grinding stone Risam with very fast grinding and polishing effect. The stone is made of synthetic Corundum (aluminium oxide). The grinding stone is supplied with a...
RISAM precision grinding stone with the highest Japanese JVT standard. Strong abrasive force and very fast grinding and polishing effect. The stone is made of synthetic Corundum...
Risam precision grinding stone with the highest Japanese JVT standard. Strong abrasive force and very fast grinding and polishing effect. The stone is made of synthetic Corundum...
Risam precision grinding stone with the highest Japanese JVT standard. Strong abrasive force and very fast grinding and polishing effect. The stone is made of synthetic Corundum...
Combined large RISAM grinding stone with very fast grinding and polishing effect. The stone is made of synthetic Corundum (aluminium oxide). The grinding stone is supplied with...