The ARCAIR® Insulator Assembly is designed specifically for use with the K-4000® torch model, making it an essential component for welding professionals seeking reliability and efficiency in their work. This durable insulator assembly enhances the performance of your Professional Angle-Arc® setup, ensuring optimal heat resistance and reliable operation during welding tasks. Measuring 1.3 x 3.5 x 8.5 inches, it fits seamlessly with the torch, providing a solid support structure that contributes to the overall effectiveness of your welding supplies. With its robust construction, this accessory is vital for maintaining the integrity and performance of your welding applications.