This economical and portable wall jack is constructed of heavy duty,
Malleable iron castings.
Use for raising walls, beams, or to tighten and true flooring.
Designed for use with 1-1/2” x 3-1/2” (2 x 4) fir poles.
The wall jack has a capacity of 1000lbs.
When used in conjunction with poles made of clear, straight grained fir wood, free from all knots or defects.