Click to expand Tap to zoom 509 (9mm) HEAVY DUTY STUD ELECTRODE by Tuffaloy Save Liquid error (product-badge line 32): -Infinity% $53.67 | / SKU 175-5091 Quantity Add to cart ${{amount}} RWMA Class: 2 Holder Engagement: HD Size 2 Weld Face Diamter: 1.50 Stud Size: 9 mm View the Tuffaloy Electrode Catalog