Function: Universal wood bed claw hook plates are intended as a replacement for hook plates which have been damaged or for new bed construction where hook plate installation is desired. 5 Hole Design is fit for most American wooden headboard footboard frame. Versatility: The wood bed rail Hooks Plates are designed for use with beds which utilize 2" On Center pin spacing. It is fit all sized bed frames, bed posts, Bed rails, footboards, headboards, King or Queen size beds. Material: Wood bed rail bracket are made from durable, high-quality iron coated with zinc for rust and corrosion resistance Packing included: 4pcs Wood Bed Rail Hook Plates, 20pcs mounting screws, easy to install. Dimensions: Thickness: 2mm, 3-1/4" Wide, 3-4/9" High, 2" hook separation. Quality Guarantee, If there is any quality problem, please feel free to contact us. Refund or Replacement for any quality problem.