For inspecting the parallelism for work -pieces also for replacing the working blocks at the same height when required ,Supplied in matched pairs .we make it according to flatness of working surface and parallelism of opposite surface ,squareness between working surface ...
For inspecting the straightness and flatness ,Welcome your inquiry for special specifications.we make it accoring to the standard of staightness and flatness working surface ,parallelism between working surface ,squareness between working surface and surface .fast development ...