Qual-Craft Ind. WALL JACK

Constructed of heavy-duty malleable iron castings. Designed for use with 1-1/2" x 3-1/2" (2 x 4) fir poles. Use to raise walls, raise beams and tighten and true flooring. When used in conjunction with poles made of clear straight grained fir wood, free from knots or defects, the wall jack has a capacity of 1000 lb.