Hartline Rocktite(tm) Cement

For anchoring and patching 1 lb. yields 18-3/4 cu.inches Hard in 15 min In one hour it develops a compression strength of 4500 lbs. per square inch Never shrinks Patches cracks and holes in floors, walls and ceilings Anchors posts, machinery, parking meters, railing & appliances Not for use under water Self leveling