Specifications Manufacturer: Pro Manufacturer's code: 3-01-01-AB-150 Length: 150cm White spirit level and vertical indicator 2% slope 150cm Precision pattern in the lightest edition Single-chamber profile with embossings to increase profile stiffness The accuracy of the vial is 0.5 mm/m Additional rings to determine the 2% slope Profile dimensions: 49 x 22 mm ERS+ (Easy Reading System) system - vial chamber and higher magnification lens Massive side embossings provide a firm grip in the hand Vial mount designed to keep the profile cutout as small as possible Made of elastomer caps designed to absorb the force of impact in the event of vertical ups ** Illustrative photos