Use 3M DBI SALA Confined Space HC (High Capacity) Deck Mount Base (stainless steel) with 3M DBI SALA HC Davit Mast for a confined space, rescue and work support system. Our deck mount base 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 through and clamp to flooring ranging in thickness from 13 mm (.51 in) to 90 mm (3.54""). This base includes the necessary fasteners and hardware for securing the base into position. The friction reducing insert sleeve is constructed of thermoplastic which aids in davit rotation. When used as part of a complete system, this base meets the requirements of EN795:2012, EN1496:2006, CEN/TS 16415: 2013, and AS/NZS 5532. All 3M DBI SALA HC Bases are designed to be used in combination with 3M DBI SALA HC Davit Masts, and together form a perfectly matched confined space rescue and work support system. When it comes to confined space entry/rescue, it's essential that equipment operates perfectly and quickly. 3M has an extensive line of rescue and retrieval systems with decades of proven field service. Safety engineers and site directors trust 3M DBI SALA for the type of high quality, rugged systems that will ensure top performance when it is needed the most.