Two 2.5 foot long heavy duty chain hanging kit will accomodate up to an 8 inch diameter tree limbnTrust your safety with steel instead of the cheap nylon and vinyl straps that deteriorate with sun exposurenWorks with both porch swings and tree swings. Accommodates both hanging chains and ropes.nChain is encased in an outdoor protective sleeve to protect your tree from wearnIncluded with the tree swing hanging kit are two 3/8 U-bolts. Please note rope is not included.n