NPA63 Adjustable Prism Assembly TS30695 The Tradesman Calc provides the

The Tradesman Calc provides the flexibility to work in architectural or ruler fractions as well as proper

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it offers superior stability and accommodates heavy instruments

NPA63 Adjustable Prism Assembly TS30695 The Tradesman Calc provides theThe Northwest Instrument NPA63 Adjustable Prism Assembly is used by engineers and contractors as a target for measuring distances in surveying and construction. Built for durable and stable pole mounting, it features a 5 8 x 11 inch base thread making it compatible with most prism poles, mounts, and tripods. The NWI NPA63 prism assembly is equipped with a single prism holder with a tilt and a 0 30 mm offset. A suspended type single prism target is