Graver to open or ungletIt is used to extract fine grains, to bevel and make deep cuts, it is the buril along with the most used chaplex set.
Graver Knife or knife. It is used to mark, make fine lines and cuts that are not very deep, to clean or clean between stones when there is no space, and sometimes, to remove very fine grains.
Round buril. It is used to make cuts in half cane and to extract grains.
Flat Graver or chaplex. It is used to bevel, make sizes, entredoses and to make wide cuts
Useful for sharpening gravers