- The pointer is rotating in a hydraulic oil for stable, precise and error-eliminating reading; - Double annular graduations are provided for preventing visual reading error; - With double rail magnet.
- POLINOX unitized discs are used for face- down grinding on speed- adjustable angle grinders. - Especially well- suited to work on larger surfaces. - The compressed, non-woven material is bonded to a glass-fabric base. - Abrasive: Silicon carbide (SiC).
