SHGM203 | Stronghand Powerbase Grounding Magnet – 300A High clamping pressure improves arc stability and reduces power consumption. POWERBASE™ GROUNDING MAGNETS 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 • Amperage: 300A @ 60% Duty Cycle • Dimension: 50 x 50 x 64mm • Magnetic Force: 20kg • Weight: 0.5kg