Please see: Jack Attack System.
The Jack & Beam System provides mechanical leverage for guiding the lift direction of slabs or holding them in place while filling voids beneath.
Improves accuracy of final slab position.
Helps prevent over-lifting.
Works with a variety of concrete anchors.
Cuts down on wasted foam.
Two steel structural beams.
Four mechanical jacks.
Accessories kit with chains, hooks and clevices.