The Next Level - 230mm Magnetic Torpedo Level. Two rare earth magnets provide ultimate grip on metal surfaces. Magnified centre vial for enhanced visibility. 3 Unbreakable acrylic shock-proof vials. Solid block vial provides accuracy of 0.5Mm/m. Die-cast aluminium body. 180 Degree rotating vial to duplicate angles, slopes & pitch. Push release vial - Push from back to release.