Lightweight aluminum construction (35 lb.) allows for easy transport to and from the jobsite. Universal design works with all brands of miter saws. Legs provide superior support and fold for easy storage 5-1/2' beam extends to support up to 16' of material and up to 400 lb. Work stops/supports can be repositioned quickly anywhere along the rail. Nonmarring feet on tool mount won't scratch material. Width: 10-1/4". Height: 7-1/2". Weight: 35.0 lb. Includes: 2 convertible work supports/stops and 2 mounting brackets.