Single point diamond repair pen: Single point diamond pen varieties include: ordinary natural angle diamond pen, conical diamond pen with angle, and quadrangular pyramid diamond pen with angle.

Used for precision dressing of grinding wheels on grinding machines. It can also be applied to the dressing of ordinary grinding wheels. The handle body has diameters of 14, 12, 10, 8, 6, etc. There are levels one, two, and three. The specifications include 0.1Ct-3Ct, etc.