The "Yong"(meaning "eternal") brand seal engraving knife is the best brand name in China. Made of hard alloy steel in Chengdu, Sichuan, China, 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. These hard alloy steel knives are ten times stronger than other steel cutters.
The knife blade is polished sharply and the handle is wrapped with leather strap elegantly.
1) Width: 2mm; Thickness: 2mm"; Length: 143mm
2) Width: 4mm; Thickness: 4mm"; Length: 145mm
3) Width: 8mm; Thickness: 5mm"; Length: 145mm
Watch this YouTube video on How to Use this Kind of Knife to Carve a Name Seal