Smart Tool Module Magnetic BracketLimited stock. The Magnetic Bracket allows the SmartTool Module to be placed on any iron surface to allow hands free operation. Use your SmartTool Module to measure the angle that needs to be cut then use the module in the magnetic bracket to set your table saw blade at that angle. Magnet attached to saw blade for 1 10 degree accuracy on bevel cuts. Attaches to steel studs when accurate angles are required. Many uses when "hands free" angle measuring