The Pyrex Isolator for TIG 101/301/321 torches is a high-quality protective element that ensures safe and efficient welding. Made of durable Pyrex glass, the material is resistant to high temperatures and chemicals, making it ideal for welding applications where reliability and safety are key. The insulator acts as an electrode protector and prevents unwanted damage during operation. Its design allows for easy replacement and ensures long-lasting welding efficiency.