Strong magnets for temporary pressing during welding and assembly work. Suitable for securing internal angle welding of all kinds of magnetic materials. Supports various angles. Supports 30°, 45°, 60°, 75°, 90°, 105°, 135°. The center of the product is designed with a round hole that is easy to remove. For welding and assembling, marking, pipe installation, metal processing, parting, flat grinding, hanging purposes, floaters, etc. Size: Arrows (triangle), Size (4.7 x 3.3 x 0.6 inches (12 x 8.3 x 1.5 cm); Weight: 10.6 oz (325 g). Suction Power: 25 g). s) mini triangles (size 2.8 x 1.7 x 0.6 inches (7.2 x 4.3 x 1.5 cm); Weight: 4.3 oz (110 g); Suction Power: 9 Lbs. Material: Magnet; Steel; Contents: 6 magnetic welding holders (arrow type x 2 pcs, hexagonal x 2 pcs, mini triangles x 2 pcs). *If magnets are kept close to magnetic recording media such as magnetic cards, the data may be destroyed and the data will become unused. In addition, when close to precision electronic devices such as computers, TV screens, electronic watches, etc., it may cause malfunction.