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Tweco 300 Amp SMGC300 Magnetic Ground Clamp - Welding Supply
300 Amp Magnetic Ground Clamp | Magswitch– Magswitch Technology
Magswitch 300 Amp Magnetic Welding Ground Base Clamp Holder for Welding Kit, Tools, Supplies and Accessories, Magnet Switch with On/Off Grounding Capabilities, (8100746) - Amazon.com