Simplex® Mechanical Jack Roof Support, 5 ton, 78 in Minimum Height, 114 in Maximum Height, 36 in Piston Stroke, 6 in Base Length

ITEM FEATURES:

• The 139A family is a screw extension type roof support rated at 5 tons sustaining capacity
• Aluminum alloy housing and base makes this unit light weight and portable
• Holds the load indefinitely without creep down
• S head style
• 9 in head L
• 4 in head width
• Used to support a horizontal I-Beam while weld work was being done on the vertical I-Beam