Sokkia Auto Level B40 Automatic compensator (738340) : Amazon.in: Home Improvement
Sokkia B-40 Automatic Level, Survey Level, Construction, Civil Engineering Auto Level Rapid, Stable, and Durable Compensator The compensator of Sokkia B40 Optical Level incorporates four suspension wires made of super-high-tensile metal :
Amazon.com: Sokkia Total Station
Amazon.com: Sokkia Total Station
Source B20 Auto Level price 32X with stable automatic compensator on m.alibaba.com