LCL2594: Features: -25', 035-1/8 Magnum PRO 550.-Specifically designed and tested for extreme environment welding applications.-Built for high amperage.-High duty cycle applications where heat-resistance and fast serviceability are key.-High quality copper and aircraft grade aluminum parts ensure superior electrical contact and heat dissipation.-Four trigger leads are standard for fast field repair.-Patent-pending anti-seize tip and diffuser thread design reduces tip and diffuser seizing.-New gun cable retention system makes a positive bond that resists pulling apart.-Secure-lock gun tube resists rotational slipping.-Copper plus contact tips - larger tip diameter and mass improves heat dissipation to increase tip life.-Comfort grip design - barrel-style handle is lightweight and balanced, providing a comfortable grip to reduce fatigue no matter how you hold the gun.-Selection system - choose the right gun based on your actual welding amperage and application, not just your machine rating.-Save cost and weight while gaining maneuverability and fatigue-resistance.-Simplified expendable parts selection - 250/350A and 450/550A consumables are interchangeable across all gun models.-Duty cycle at rated amperage: 1.-Wire diameter: 0.035-1/8 (0.9-3.2).