Leica GZR3 Rotatable Carrier with Optical Plummet $1,690 Product Highlights The GZR3 Rotatable Carrier includes the optical plummet for high accuracy and longitudinal bubble for exact positioning over measurement points. Reflector centering accuracy 0.3 mm Plummet accuracy 0.5 mm at 1.5 m. 1 / 1 Details Article number: 428340