Electrode Holder OPTIMUSThe Optimus Electrode Holder is a heavy duty, high performance clamp designed to provide a secure grip and reliable current transfer for all MMA (arc) welding applications. Built for durability and safety, it ensures consistent performance under demanding workshop or site conditions. Key Features Strong Clamping Force: Holds electrodes firmly for stable arc control. Durable Construction: Heat and impact resistant body ensures long service life.