Sharpening system kits is a handy set of stones ranging from different grits along with the proper equipment to mount and execute the precision knife sharpening you need for you cutlery.
They range in the types of styles you need. It can be a 2pc, 3pc, 4pc or a 5pc stone grits suited for each task.
The grits range from Extra-Extra Fine, Extra-Fine, Fine, Medium, Coarse, and Extra-Course alumina-oxide stones and ceramic stone.
Most of them come with a handy portable storage carrying case that’s either made of Cordura mesh or hard plastic.