CURT Ball Mounts are a step above the rest. CURT has invested in the technology necessary to produce a full line of exceptionally strong and attractive balls mounts. The line of ball mounts is robotically welded to ensure accurate, consistent cuts and clean, strong weld lines. Once welded, these mounts undergo a process that creates a flawless surface for the application of highly durable CURT powder coat finish. Class II Ball Mounts are for 1 ¼” x 1 ¼” receiver tubes and are rated at 3,500 lb. gross tow weights.