3M™ DBI-SALA® Confined Space, 53cm Mast Extension HC 8000112, Green, 1 EA/Case 3M™ DBI-SALA® Confined Space HC (High Capacity) 53 cm Mast Extension is constructed of powder-coated aluminium and zinc-plated steel. This component is used to change the height of a davit arm system. When used as part of our complete system, this product is certified to EN795:2012, CEN/TS 16415:2013, EN1496:2012, and meets the requirements of machinery directive 2006/42EC for material handling. Combines with 3M™ DBI-SALA® Confined Space HC Davit Arm to form a long-reach confined space rescue and work support system For use with 3M™ DBI-SALA® Davit Assemblies and 3M™ DBI-SALA® HC (high capacity) bases Increases davit arm height by 53 cm Powder coated and zinc plated finishes for corrosion protection Lightweight, portable design