This extension bracket for headboard-only style bed frames allows easy attachment of your bolt-on footboard. Provides extra secure connections, reducing shifting and squeaking.（The product not bed frame）Set includes 1 left extension bracket, 1 right extension bracket and includes hardware. This attachment is compatible with the Universal bed frame, Adjustable Twin bed frame, Adjustable Queen/Twin bed frame, and Low-Profile Adjustable bed frame. Material :Extension rails made with 12 Gauge steel and powder coated，Footboard brackets made with 14 Gauge steel. Finish: Black Dimensions: 16"L x 2"W x 4"H All Hardware Included - assembles in minutes. Quality Guarantee, If there is any quality problem, please feel free to contact us. Refund or Replacement for any quality problem.