HitchLink 3.0 Reciever Shackle Mount 3 Inch Receivers Anodized Gray Factor 55HitchLink 3. 0 Inch hitch receiver Factor 55. Why reduce a 3 inch receiver with sleeves when you don't have to! For Class V 3 inch hitch receivers Only. Our truck owners asked and we listened. No Need To Sleeve Class V hitch receivers to weaker Class III and Class IV. Finally a hitch receiver shackle mount designed for Class V 3 inch receivers. Only available in Military Specification Anodizing (Mil A 8625 F Type III) hard anodized gray finish. The