Tower Crane Fixing Angle is connected between tower body and concrete foundation. Usually, the model of fixing angle is based on the Tower Crane Mast Section, such as 1.2m s24 Mast Section, 1.6m L46A1 Mast Section, 2.0m l68b2 mast section, etc.
The fixing angles and the template can be supplied before the delivery of the crane, because the concrete foundation requires to be prepared in advance.