Advanced™ lower mast extensions are designed for use with our 8518001 and 8518006 offset davit masts. The extensions provide the flexibility to change the overall mast height of your system in the field. For added versatility, you can customize either one of these davit masts with up to two lower mast extensions, 90 in. (228.6 cm) max length for 8518001 and 78 in. (198.1 cm) max length for 8518006. The extensions are available in 21 in. (53.3 cm), 33 in. (83.8 cm), 45 in. (114.3 cm) and 57 in. (144.8 cm) lengths for maximum customization options and scenarios. Constructed from anodized and powder coated aluminum, these units are not only extremely lightweight, they are durable and built to last. When it comes to confined space entry/rescue, it is essential that equipment operates perfectly and quickly. DBI-SALA® has an extensive line of rescue and retrieval systems with decades of proven field service. Safety engineers and site directors trust DBI-SALA® for the type of high quality, rugged systems that will ensure top performance when it is needed the most.