This entry level seal carve knife is made of hard stainless steel, and it is designed for carving soapstones such as Shoushan, Changhua, Balin, Qingtian, as well as pottery seals. Please don't use it on hard material, such as agate, jadeite, china, glass, etc. It comes with sharp
knife blades on both ends, one flat and one slant, and the handle is wrapped with synthetic strings.
Width: 6mm = 3/8"; Thickness: 2mm = 3/32"; Length: 140mm = 5-3/8"
Watch this YouTube video on How to Use this Kind of Knife to Carve a Name Seal