Stretch and hold a fence into position with just one person. Hook the tool onto the tension bar, wrap the tool around the post, lever action will stretch fence. Final action will lock down tool to hold fence in position while tension bands are secured. One Bear Hold Fence Stretcher will work fine on a fence 4 feet or less, use two stretchers for fences up to 8 feet. The following sizes 1 5/8", 1 7/8", 2 3/8", 2 7/8" and 4" each have a bend at the end of the handle. In the bend is a hex cut which is the right size to tighten the most common size nuts on chain link fence fittings. Bear Hold Stretchers are guaranteed for life.