Smith’s 4in. Dual Grit Sharpening Stone W/Pouch Top Customer Picks For full use instructions

For full use instructions

length with belled end for sewer and storm drainage applications only

selectable from a single button on the tool

Trip flag indicator

Smith’s 4in. Dual Grit Sharpening Stone W/Pouch Top Customer Picks For full use instructionsThis stone is made from a synthetic abrasive material and is used in the same manner as a diamond or natural Arkansas bench stone. The extra coarse side of the stone (100 grit) is used for aggressive removal of metal and will sharpen a dull or damaged blade very quickly. The other side of the stone (240 grit) is for less agressive removal of metal and should be used for sharpening somewhat dull blades that just need a quick touch up or for smoothing