Topcon
Topcon Automatic Level AT-B4, 24X 1012379-53 Focusing distance up to 7.9-inch minimum Accuracy of 1/16 inch Compensator accuracy of 0.5 arc-second Horizontal circle 1 degree/1 gon One-speed focusing knob Dustproof and water resistant (IPX6) 5/8-11 tripod...
