3M™ DBI-SALA® Confined Space, Deck Mount Base HC Galvanized 8000099, 1 EA/Case 3M™ DBI-SALA® Confined Space HC (High Capacity) Deck Mount Base is constructed of galvanised steel and is designed to be installed through and clamp to flooring ranging in thickness from 13mm (.51 in) to 90mm (3.54") using included mounting hardware. When used as part of our complete system, this base meets the requirements of EN795:2012, EN1496:2006, CEN/TS 16415: 2013, and AS/NZS 5532. Combines with 3M™ DBI-SALA® HC Davit Mast to form a confined space rescue and work support system Clamps flush to mounting surface High-strength steel construction Galvanised coating provides corrosion protection 360 degree davit mast rotation