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3M™ DBI-SALA® Confined Space Lower Mast Extension 8518509, 1 EA

3M Product Number 85185093M ID 70007496782UPC 00840779006700
  • 21 in. (53.3 cm) lower davit mast extension
  • Fits confined space offset davit masts
  • Combine up to 2 extensions
  • Extends your davit mast height
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Attribute Name
Case Quantity
Connected Safety ID Equipped
For Use With
Upper Offset Davit Mast
Install Type
Net Weight (Imperial)
14.1 lb
Net Weight (Metric)
6.4 kg
Overall Height (Imperial)
26.94 in
Overall Height (Metric)
68.43 cm
Overall Length (Imperial)
21 in
Product Color
Green, Silver
Product Type
Lower Mast Extension
Recommended Industry
Construction, General Industrial, Mining, Oil & Gas, Transportation, Utilities
Weight (Imperial)
14.1 lb.
Weight Capacity
450 lbs. (204 kg)
  • 21 in. (53.3 cm) lower davit mast extension
  • Fits confined space offset davit masts
  • Combine up to 2 extensions
  • Extends your davit mast height
  • Lightweight, corrosion resistant aluminum construction
  • Available in lengths of 21 in. (53.3 cm), 33 in. (83.8 cm), 45 in. (114.3 cm), and 57 in. (144.8 cm)

21 in. (53.3 cm) lower davit mast extension for use with upper davit mast.

confined space 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.

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Specific product and application questions

Product Support1-800-328-6146