Powerful, permanent magnet attaches to the threaded studNo clamps, rods, or snugs needed5/16 in - 24 threaded stud back replaces standard lug backAnti-magnetic indicators are not requiredFor...
Three precision ground magnetic contact surfaces (plus V-step)Powerful, permanent magnetic base holds firmly to steel or iron surfaces - horizontally, vertically, upside-downThe swivel post assembly...