3M DBI SALA Stainless Steel Flush Core Insert Mount HC Davit Base with Top Plate 8000092For a core insert base (stainless 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 SAE 304 stainless steel which provides corrosion protection against the elements and is silver in appearance. It's designed to be installed flush onto the