Rollaway back stop stroke 48 mm
Rollaway back stop are real automatic centering plates. They are made of anodized aluminum and stainless steel. These groups allow, thanks to the rotating coil to be used both as reference characters as real side by side. The innovation is in the removal and rotation of the pin so as to exclude damage to the slab. The fittings are nickel plated brass quick-connect vacuum.
The finding may have different pin size both in diameter for its length.