Livella siluro digitale 24" con goniometro magneti al neodimio LCD IP54 borsa
You can refer to picture 3. HIGH ACCURACY & AUDIO INDICATOR - Accurate to the ±0.1° at 0° and 90° and ±0.2° from 1-89°; displays angle and bevel readings in degrees, pitch IN/FT, mm/M, and percent slope.