Swing Swival Bolt Style Hangers 3/8" X 6" Snap Hook, Swingset, Sold in Pairs Comes with 2 washer and Hex Nut on Each Hanger Zylan Coated for Use with Treated Lumber 6" Bolt Length for 4X4 Lumber No "S" Hooks Needed, Just Add Chain Can be Used on Wooden or Pipe Set, Excess Can Be Cut Off