Product Description: The Hypertherm 428162 Kit is a genuine replacement Trigger Start Switch designed for use with Duramax Hyamp Hand Torches. Engineered for reliability and performance, this switch kit restores full functionality to your plasma torch’s trigger mechanism, ensuring precise arc initiation and consistent cutting performance. Features: Compatible with Duramax Hyamp hand torches OEM replacement part for reliable fit and function Easy installation with durable construction Restores proper trigger start operation Applications: Ideal for users performing maintenance or repairs on Hypertherm plasma systems using the Duramax Hyamp series, ensuring safe and efficient torch operation.