Teaching a NOOB how to read grade Run a laser u0026 change elevations on a jobsite PT 1 2 4k video

+ / 1 / 4in (17). + / -1 / 8 @ 100 Ft. SPECTRA PRECISION LL600 self-leveling rotary laser level, Trimble CR600 receiver. ± 0.3 Mm / M (7). +or- 1 / 8in (9). +or- 1 / 8 In (37). Product Rotary Laser Level & Laser Detector/Receiver, LL500.