Line Terminator Rear AC Blockoff, Tool Type Line Terminator Blockoff, Application Automotive, For Use With Block Damaged or Unused A/C Lines, Material Aluminum, Rubber, Outside Diameter 5/16 in, Size 4 1/4 in H x 2 in W x 5/16 in OD, Includes Anti-Vibration Tension Rings, Blockoff Body, Nuts, Sealing Sleeves, Number of Pieces 4