Magswitch 300 Amp Ground Clamp All new fin design lowers temperature by almost 27-percent Stronger hold in shear (vertical) position allows for use with heavy gauge ground cable No more tacking on tabs and searching for ground location Fast Setup, grounds instantly Magnet Strength:	90 lbs/40 kg Full Saturation Thickness: 11g / 3.05mm 2:1 Shear Working Load: 20 lbs / 9 kg Overall Height: 2.3 in/57 mm Magnetic Pole Footprint:	40mm Diameterdec