Features a heavy duty spring mechanism and reinforced four slot design for a firm, nonslip hold, ensuring stable during demanding welding tasks Provides great resistance, extending the clamp ' s lifespans even in humid or harsh conditions, reducing the need for frequent replacements Available in 300A and 500A models, this grounding clamp is suitable for a variety of welding machines, offering flexibility for different power requirements and welding projects Easy Installation: Designed for quick, easily setup, this clamp simplifies workflow and boosts efficiency Made with copper, this grounding clamp ensures excellent conductivity and durability, making it ideal for professional welding applications in various environments, Manufacturer: NMFLAB