Height Adjustable Support Legs - The height of the legs of this bed frame can be adjusted by rotating the base to select the right height to support the bed frame. (Adjustment range: 4.7" - 7.1") Tip: Please check the size information before purchasing to make sure the size is exactly what you need Stronger Support - Some mattresses are heavy and without proper center support can cause wood slats or metal bed frames to bend or break. Bed frame support legs provide better support for the mattress and bed. Can support up to 650 lbs Better Material - The bed frame bracket legs are made of sturdy hard plastic (PP), thickened material for stable support and strong weight capacity. Furniture legs will not damage or scratch your floors while reducing noise No Screws Design - No screws are needed to install the furniture legs, just rotate the fittings according to the picture guide to complete the installation, and then rotate the base to use it when finished Package - Comes with 2 bed support legs. If you find the product broken or missing parts, please contact us immediately Height Adjustable Support Legs - The height of the legs of this bed frame can be adjusted by rotating the base to select the right height to support the bed frame. (Adjustment range: 4.7"-7.1") Tip: Please check the size information before purchasing to make sure the size is exactly what you need. Stronger Support - Some mattresses are heavy and without proper center support can cause wood slats or metal bed frames to bend or break. Bed frame support legs provide better support for the mattress and bed. Can support up to 650 lbs. Better Material - The bed frame bracket legs are made of sturdy hard plastic (PP), thickened material for stable support and strong weight capacity. Furniture legs will not damage or scratch your floors while reducing noise. No Screws Design - No screws are needed to install the furniture legs, just rotate the fittings according to the picture guide to complete the installation, and then rotate the base to use it when finished. Package - Comes with 2 bed support legs. If you find the product broken or missing parts, please contact us immediately.