Magswitch MAGJIG 95 MagJig 95, Yellow On/Off Magnetic clamp with powerful 95lb/43kg of magnetic hold force. Make custom jigs and fixtures by drilling a hole using a Forstner bit into  thick material. Precise positioning anywhere on a steel table or fence. No mitre slot limitation. Use with the Magswitch Universal Base as part of the Magswitch Work holding System. Use 30mm Forstner Bit to drill custom jigs and fixtures (sold separately).