The Hinge Pin K4000 and K5 from Arcair is a vital component designed for optimal performance in welding and gas applications. With precise measurements of 0.3 x 3.5 x 5.7 inches, this product ensures a reliable fit and functionality in arc gouging torches. Manufactured in Mexico, it reflects the high standards of quality associated with the Arcair brand, making it an essential addition to your welding accessories toolkit.