... kinds of stele,tombstone,merit monument, guiding monument,caligraphy monument,art stamp,etc. Main purpose of sintered diamond burin/graver:* Used ... kinds of stele,tombstone,merit monument, guiding monument,caligraphy monument,art stamp,etc.* Used to work the finishing on different materials ... on the crafts such as engraving the pattern on the stone desk and bench, or engraving words on the bowl.* Used ...