Stronger: Unibody construction allows you to add essential support to wooden slats or bed frame, protecting your bed and mattress from sagging and damage. No need to down grade your mattress or give up the bed frame you love. NOTE: This product only has support legs, shown in picture to only demonstrate where to attach. The Unibody is meant to attach to the slats of your current bed frame in order to prevent sagging, bowing, or cracking. SIZEthe SlatJack slat support legs is height adjustable from 7.08" to 13.38".The large size helps prevent carpet and hard floor damage. Do not worry about damage or scratches to your beautiful hardwood floors. The Unibody will hold and evenly distribute the weight of your heavy mattress efficiently. Saving you money on bed repairs and mattress replacements. The Unibody is a cost effective way for maintaining the life of your expensive bed frame and mattress. Hardware included: 2pcs Height Adjustable from 7.08" to 13.38" Adjustable Height Center Support Leg,4pcs 2.48"screw2pcs supplementaryplate. No extra trips to the Hardware Store. Improve the quality of your sleep: If you think that a sagging mattress would not affect your sleep, you might want to think again In fact, without proper center support, the weight of the mattress will bow or crack the wooden slats, causing them to slide or even worse, squeak while youre trying to sleep What is more, the uneven feel of the mattress itself can significantly affect your spine, causing serious discomfort during both sleep and waking hours. Made form Aluminum Alloy material, anti-corrosive and will not rust, we have thickened the pipe wall to make it more load-bearing Leg bottom PVC pad are non-slip and wear resistant. Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-13743 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it