2pc set of Corner Magnet for holding panels at square right angles. For welding, metal fabrication, and work holding. Ideal for holding in position sheet metal corners, cap ends, or tank ends. Magnets have a main 90° angle working surface with a 60° angle base (can be used to set on a bench and hold rod stock or tubing face up). 30lb magnet holding force, with a size of 3 1/4" X 3- 3/4" X 1/2".