SHARPAL is a simple and productive diamond double-sided sharpening stone. Using it, knives, blades and other cutting tools can be sharpened quickly and accurately. It combines two surfaces of different grits. The coarse 325 grit surface is for restoring blades and removing chips. The finer 1200 grit surface will create a very sharp cutting surface as well as polish metal. The stone measures 6 x 2.5 inches, making it convenient to transport. Housed in a special anti-slip case that also acts as a storage case. In addition, the sharpening stone comes with a guide for sharpening at the correct angle.