Confined Space Rescue Systems - Davit Arm System Components - Advanced Adjustable Offset Davit MastDavit Mast, 11 1 2" 27 1 2" Adjustable Offset Adjustable length of Davit ensures lifelines are always centred over confined space Combine with up to two lower mast extensions to increase anchorage height; ; DBI Sala has an extensive line of rescue and retrieval systems to suit your confined space entry and rescue needs High quality, rugged systems meet applicable industry standards and can be customized to suit your needs Ease of use ensures you have