Our most popular instrument because it can level(horizontal) and plumb (vertical). Two hundred foot range with an accuracy of 1/4" at 100 feet. Use it to level the ground establish pitch and then set your posts using the vertical arc. Brass leveling screws insure long life and fast easy set ups every time. Built in 15 minute horizontal circle allows you to set rough angles. Unit has a 1/2-20 thread so look at the 60-ALQC21 or buy it as a package with tripod and 8ft rod (06-808C).Comes in a hard-shell case and a one year warranty.