National Hardware Cane Bolt, Series: V835, 5/8 in Diameter, 18 in Overall Height, Wall Mounting, 0.94 in Mounting Hole, Suitable For Use With: Heavy Wood Gates And Doors, Hot Rolled Steel, Zinc Plated, BHMA A138.18, For Vertical or Horizontal Applications. 5/8" X 18" Zinc Plated Adjustable Throw Cane Bolt Cane Bolt Anchors One Gate While The Gate Latch Acts As A Stop For The Other Gate Variable Bolt Throw And Holder Store Bolt In Open Position And Prevent Its Removal.