Preyda 6 in Black Bench Stone 4000-6000 Grit This classic bench stone has extremely high density - it is suited to grind the finish on particularly fine edges and hones the edge to an extremely smooth finish. Also suited for surgical instruments. Approximately corresponds to 4000 to 6000 grit. The 6" Bench Stone Surgical Black Arkansas is sized at 152 x 50.8 x 12.7 mm, and is also half an inch thick.|1.02|7.25|3.25|1.75|Grit: 4,000-6,000|Material: Hard Arkansas Stone|Size 152 x 50.8 mm|High density||||false|N/A Manufacturer: Preyda Model: 09RP014 SKU: SI_4017083