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Marshall Stamping

Extend-O-Post Series JP79 Jack Post, 4 ft 5 in to 7 ft 9 in

Sku: 6188551-052303-28
124 Available at SHIP TO STORE
Jack Posts & Columns:Marshall JP79 Adjustable Red

Extend-O-Posts are ideal for temporarily reinforcing existing floors under heavy load areas, but are not recommended for permanent supports in new construction. There's nothing easier to use for supporting sagging floors, weak beams and warping stairways. With Extend-O-Posts the possibilities are unlimited.

  • Various load capacities ranging from 8000 to 18,000 lb
  • Flow-coated with red corrosion-resistant paint
  • Packed complete with installation instructions on a color-coded, trilingual carton

Safe Weight Capacity
8000 to 12,000
Top Plate Material
Base Plate Material
Pipe Material
Adjustment Range
4 ft 5 in to 7 ft 9 in