Box-section lightweight extra strong frame with ‘soft-ribs' for strength and finger grip.
Accuracy: horizontal 0.057° (1.0mm/m), vertical 0.048° (0.75mm/m)
80AN-2: Features two vertical and one horizontal vials accurate to 0.5mm/m. Vials guaranteed to remain accurate for 10 years. Electrostatic powder coated abrasive resistant frame.
80AN: Features one vertical and one horizontal vial.