3M DBI SALA Galvanised Flush Core Insert Mount HC Davit Base with Top Plate 8000091For a core insert base (galvanised steel) and top plate for use with 3M DBI SALA HC Davit Mast in the formation of a confined space rescue and work support system, use 3M DBI SALA Confined Space HC (High Capacity) Core Insert Base with Top Plate. The core insert base with top plate is constructed of mild steel, and coated using a hot dipped galvanisation process which provides corrosion protection against the elements and is silver in appearance. It's