AUTO LEVEL TOPCON AT-B2 AT-B3 AT-B4 Nov. 12, 2010 5:20:09
* 3 Models - 32x, 28x, and 24x Magnifications
* Rapid, Accurate, and Stable Automatic Compensation
* Ultra-Short 20cm ( 7.9 in.) Focusing
* All-Weather Dependability
* Clampless, Endless Fine....