Magnetic Welding Square Switchable On/Off Not Switchable Positioning Angles (Maximum) 180 Degrees Positioning Angles (Minimum) 30 Degrees Maximum Pull 120 lb Overall Length 7.6 in Overall Width 7.6 in Overall Height 3.8 in Center Hole Diameter 5/16 in Features For Welders that Need Fast Set-Up and Accurate Holding of Steel at Multiple Angles Hold Work Pieces at Multiple Angles Plated Steel Poles Reduce Rust Housing Material Steel Includes Large Finger Hole Magnet Material Ceramic