Mile Marker Shackle Mount 5/16x3/8 inch. Weighing less than a pound this Shackle Mount is the perfect complement to your winch. Specifications for Mile Marker Shackle Mount 5/16x3/8 inch: Manufacturer: Mile Marker Length: 8 in Features of Mile Marker Shackle Mount 5/16x3/8 inch For Jeep/Truck/SUV winches Replaces Conventional Winch Hook Works with Roller Fairlead and Hawse Fairlead (Not Included) Easy Install and Removal Fits Synthetic Rope and Steel Cable 5/16 inch and 3/8 inch in Diameter Package Contents: Mile Marker Shackle Mount 5/16x3/8 inch Mile Marker 60-12166: Shackle Mount 5/16x3/8 inch