This sharpening stone was made for perfection,the most effective way of sharpening knifes. This can be used for sharpen and hone your cutlery. One side of this stone features a 150 grit for quick sharpening. On the other side there is a 320 grit for everyday honing. This 10 bench oil stone is combination of grits with aluminum oxide abrasives.Product dimensions:8.5" Length x 3" Width x 1.5" HeightProduct weight:2.5 lbs150 grit for quick sharpening.320 grit for honing edge.Usage Tips:-Additional info:-KF-S310-DX-07940 #03228