A-Frame Coupler Coupler Style A-Frame Vehicle Class III Gross Towing Weight Capacity 5 000 lb Gross Vehicle Weight Capacity 5 000 lb Compatible Ball Diameter 2 in Compatible Pin Hole Diameter Not Applicable Material Steel Finish Primer Overall Length 14 in Resistance Properties Corrosion-Resistant Weight 6.64 lb Tongue Width Not Applicable Color Black Compatible Product Type 5W025 JA514T1142 Features 3/8 In.-16 UNC Bolt Thread Size 50 Degrees Tongue High Strength