1/2" x 18", Zinc Adjustable Throw Cane Bolt, Designed For Use On Heavy Wood Gates & Doors, Double Doors & Driveway Wood Gates, Cane Bolt Anchors 1 Gate While The Gate Latch Acts As A Stop For The Other Gate, Variable Bolt Throw & Holder Store Bolt In Open Position & Prevent Its Removal, Gate Can Be Held In Both The Closed & Open Positions By Using 2 Sockets, 1/2" Or 3/4" Pipe Recommended But Not Included, Designed For Vertical & Horizontal Applications, Carded.