Spectra 2159-01-BLK Traverse Kit W/ Single Prism

Spectra 2159-01-BLK Features & Benefits:

• For traversing or precise setups
• The optical plummet is twist-focus with 2.5X magnification
• Includes a 60-second adjustable plate vial
• The precision-machined axis rotates 360º
• Adapter is compatible with all prisms with a 24.9 mm bayonet base
• Adjustable height is 100 mm-to-120 mm
• Fits all standard three-prong tribrachs
• The over point accuracy is 0.5 mm at 1.5 m
• Black