EXPERT PRO Diamond Sharpening Stone, 4000 grit – Mounted on Blank

A high-performance monolayer diamond stone engineered for precise finishing and polishing of ultra-hard steels.

• Polyamide organic bond layer, 3 mm thick, for maximum durability

• High diamond concentration for aggressive metal removal and cutting precision

• Shock-resistant and dimensionally stable throughout its lifespan

• Comes pre-mounted on a laser-engraved aluminum blank (160×25×4 mm)

• Working surface dimensions: 150×25×3 mm

Ideal for fine sharpening, edge shaping, and polishing — especially on hard alloys. Best used with oil, slurry, or soapy water to prevent abrasive loading.