RoboToolz RT-2710-26K 26X Automatic Optical Level Package with Tripod, Rod, and Carrying Case Automatic wire hung, magnetically damped compensator minimizes errors on the jobsite by keeping line of sight continuously level within +/- 15 minutes Establish and check angles without repositioning the instrument with the 360 degree horizontal graduated circle and infinite tangent screw Magnification: 26x Accuracy: +/- 1/32@100' for 26x; Range: 325 for 26x