The four sets of two steel bolts arranged in a square matches the support structure of a Gerstlauer Sky Fly. The grey fibre template and black support frame exist to precisely position these eight bolts while the concreting was completed.
The four sets of two steel bolts arranged in a square matches the support structure of a Gerstlauer Sky Fly. The grey fibre template and black support frame exist to precisely position these eight bolts while the concreting was completed.