Expertly hang your porch swing with the Swing Hanging Kit With Springs. This set of two hangers and comfort springs ensures a smooth, comfortable swing every time. With easy installation and added durability, you'll be able to enjoy your swing for years to come. Hangers: Set of 2 swing hangers for porch swings and swing beds Features cast steel construction. Black plated finish for outdoor durability. Features a snap link metal connector for the end of your porch swing chain to attach directly Mounting screws for wood installation only included Overall dimensions: 3.75W x 1.25D x 3.75H inches. Weight limit is 350 lbs per hanger. 700 lbs total. Hole size: 3/8" Recommended pilot hole: 15/64" Wood screws provided: 3/8" x 3" For residential use only Springs: Set of 2 comfort springs. Zinc plated and clear-coated for added weather resistance. Creates even suspension and unparalleled swing comfort Each spring attaches to the support in the ceiling/stand and the top link of the hanging chains of your porch swing Springs can easily be added to existing and new porch swings. Attachment takes 2 minutes. Each spring measures 1.75D x 8.5L inches Weight limit is 600 lbs per spring. 1200 lbs total. For residential use only