... Jaw may shrink or expand the base, adjustable height legs Vertical beam can be moved to the center Through 5 / 8 ... base Benchmarks to provide tiles Specifications: Level Accuracy: ± 1mm/5m Vertical accuracy: ± 1mm/5m Point precision under: ± 1mm/1.4m Orthogonal ... 635nm semiconductor laser, laser lines and a clear bright. Four vertical lines and can produce a horizontal line, vaginal discharge on ...