An experienced user of this new to me stone could answer a few....?? Grit # ? I have lapped one side with Norton flatten left one side factory...previous/current stone/strop use: 4K/8K Norton, Naniwa 12K,.5crox strop,leather....with some success....honing/stropping technique could use some advice...also have an EC frictionite barber hone #00: was all I had 40 years ago re-entry to wet shave