Barnes offers the most affordable high-quality weld in bungs on the market. Built race style for maximum strength, our tube inserts allow for the largest amount of threaded shank of the Heim inside the tubing. Available in both left hand and right hand, choose our heavy duty tube inserts (7/8 14) for 1 1/2 ID tube for your custom job, or check out our full line of Barnes threaded tube inserts.