Strong Hand Tools GM205 PowerBase Grounding Magnet, On/Off Magnetic Force, 500AMP Power through your grounding applications! Start grounding instantly! The PowerBase™ Grounding Magnet sets up quickly and easily.Powerful rare earth magnet delivers heavy duty holding power.The “V” machined surface grips round parts.The copper connector stud allows for better conductivity.Part No.: GM205Amperage: 500A @ 60% Duty CycleDimension (in): 2.0 x 2.8 x 1.4Magnetic Pull Force (lb): 110.0 (50kg) Weight (lb): 2.4