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.
The knife blade is polished sharply and the handle is wrapped with leather strap elegantly.
This heavy duty knife is named after a very famous seal engraving artist Wu Changshuo. Dimensions
Width: 9mm; Thickness: 8mm"; Length: 145mm
Watch this YouTube video on How to Use this Kind of Knife to Carve a Name Seal