Calibration tools in use. A wide variety of electrical and electronic devices or assemblies must be calibrated or adjusted after the manufacturing process. Calibration is also usually necessary during servicing and installation of new components, or when electrical values have changed due to aging, in order to restore optimal device function.- Trimmer for easy and safe adjustment of spindle resistors and potentiometers (pots) - antimagnetic - suitable for ESD-sensitive areas - excellent mechanical and thermal properties - very high wear resistance - Shape: Slotted - Size: 0.9 x 0.3 mm