25 Contact Tips 7490 0.045" for Bernard Q/S MIG Welding Guns Premium quality Bernard style contact tip 7490 (0.045"). Work with gas diffuser 4335/4435 in Bernard Q/S series MIG guns or equivalent guns. You get Twenty Five (25) contact tips at this price. We use U.S. Postal Service (USPS) as main carrier. Please provide a USPS deliverable address.