Hitachi Power Tools.With its 3-inch wheels, this stand can roll around smooth surfaces while folded up, even with a saw attached. The sturdy legs make this the most stable sawhorse model, and the work support system is more refined than others, with quick cam locks to cinch the saw brackets and extension arms in place. The support arms span up to 9 feet, 6 inches, and an additional arm with a flip-up stop can be used on either side. Assembly time: 1 hour. Setup time: 2 minutes, 45 seconds. Weight: 40 pounds. Price: $220. Hitachi Power Tools: 800-829-4752http://www.hitachipowertools.com/.