Check the listing for details. Magswitch Magjig 150. Condition: New. Listed at 51.00 USD. Magswitch Magjig 150. Fast, strong, and precise positioning of jigs, tools, fences, guards, hold-downs - anywhere on cast iron or steel! Get an incredible 133 pounds of magnetic holding power, with the ease and convenience of an ingenious On/Off function that allows you to easily attach or remove the jig or fixture simply by turning the knob. Twist the knob to turn the magnet on, twist again to turn it off. To install, simply drill a 40mm hole, then insert the MagJig. Use at least two per fixture. Add more for event greater holding force. Imported - Magnetic field turns completely on and off mechanically - Does not use an electrical power source - Magnet stays clean - Holds to flat and round steel surfaces - 3/4 in. standoff for flush mount - Designed with screw holes to add more security in a fixture - Excellent for woodworking, welding, and fabrication Model: 8110005