Bosch R60 Professional Measuring Rail for GLM 80 & GLM 100 C Turns the GLM 80 & GLM 100 C Professional into digital spirit levels. BOSCH R60 MEASURING RAIL FEATURES Transforms GLM 80 and GLM 100 C laser distance measure (not included) into a digital level for more versatility Digital-Level Mode — Once GLM 80 and GLM 100 C is locked into R 60, it automatically enters mode for accurate angle measurements High-Quality Aluminium Construction — For optimal accuracy including two bubble level vials for additional reference Only compatible with the GLM 80 or GLM 100 C laser distance measure BOSCH R60 MEASURING RAIL SPECIFICATION Measurement Accuracy (Typical): ± 0.05° Bubble Vial Weight: 0.59 Kg Dimensions (LxW): 610 x 58 mm