The Bossweld Bernard 400/500 Style O-Ring is designed for Bernard 400 style MIG torch consumables, providing a secure seal to prevent gas leaks and maintain consistent welding performance.

Key Features:

• Designed specifically for Bernard 400 and 500 style MIG guns to ensure correct fit
• Durable sealing construction manufactured from high quality materials for resistance to heat and wear
• Gas leak prevention from a tight, reliable seal to maintain shielding gas integrity for quality welds
• Consistent welding performance via stable gas coverage and dependable MIG welding operation