Cold-hammered special aluminium alloy, 1.4 mm thick, section height 14 mm. Silver coat, with black graduation. Digits and graduations deep etched in the anodized coat.
The graduation is largely anti-abrasive, and withstands chemicals, grease and oil. The rule has precision-latching, galvanized steel springs. EC accuracy class II.
| Design | 2m, mm | 2m, mm / inch | 2 m, mm, calibrated | 1 m, mm | 1 m, mm / inch | |
| 530 MF | x | |||||
| 531 MF | x | |||||
| 620 MF | x | x | ||||
| 621 MF | x |
