Features Patented Dual Lock Lug Design; Full Length Pin Made Of Solid Forged Machined Steel; Triple Plated Chrome Finish; Knurling On Lock Heads Adds Style And Grip; Stainless Steel Internal Components; Double Headed Or Dog Bone Style Design; Compatibility - 3.5 In. Couplers; Style - Barbell; Pin Size - 3.5 In.; Finish - Chrome Plated; Color - Silver; Material - Steel; .