Factor 55 FlatLink E Winch Shackle Mount up to 3/8 in. Cables or Rope - Billet AluminumFlatLink E Winch Shackle Mount The FlatLink E (Expert) is a variation of our popular foldable standard FlatLink winch shackle mount. The FlatLink E provides a means to eliminate the conventional winch hook and replace it with a safer and more secure screw pin shackle resulting in a CLOSED SYSTEM WINCHING operation. The large pear shaped shackle mounting hole allows for attachment to either the pin or bow end of common screw pin shackles, as well as