Universal Fabrication Interlocking Chromoly Bungs. Building a rollcage with 1-3/4" .120 wall tubing- here's the bungs to get that project going. We sell these to UTV /SXS and many other off-road fabrication shops. Great all around fabrication tube connector. Features: -Solid chromoly steel machined parts-not cast. -Fits 1-3/4 " diameter tube. For use with wall thickness of .120 wall tube thickness. -Overall height when bolted together is 2-1/2 inches. -Interlocking design for superior build strength. -The bolts go in from one direction which makes assembly in tight spaces easy !!!!!!! -Bungs have a chamfer for great adhesion and lower profile beads. Bungs come in a set.(2 bung halves with 2 bolts as pictured)