23/64" - 26(M) Tip Thread</br>62-5?? 42-4?? 142?? 880 Cutting Torch</br>H-63 Size 4 series tip</br></br>Product Description</br></br>Harris H-63-4 Oxygen/Acetylene Heating Assembly with 23/64"26(M) mixer tip thread is compatible with 62-5?? 42-4?? 142?? 880. It includes mixer?? tube and tip.</br><br/>http://www.amazon.com/gp/product/B00D5QN3VYcck