10pcs Contact Tips 000-066 000066 0.023" for Miller Hobart MIG Welding Guns Premium quality Miller Hobart style contact tip 000-066 0.023". Work with gas diffuser 169-716 in Miller Millermatic M-10/15/25/40 and Hobart H series MIG guns or equivalent guns. You get Ten (10) contact tips at this price. We use U.S. Postal Service (USPS) as main carrier. Please provide a USPS deliverable address.