Features: Make of rolled steel process, which have advantages of strong and enduring / strong bearing capacity / no deformation / no rusts. This furniture feet can give elegant and modern look while enhancing your home furniture with a touch of sophistication and elegant. Adjustable support legs is not only suitable for the bed, but also for the cabinet, sofa, table, chair, TV stand and bedside table, coffee table or other furniture at home. Easy to Install: If bed frame have presets holes: aligns double holes on bed frame with double holes on support legs of bed, then tighten screws and nut;If bed frame not have presets holes: Clamp bed frame with auxiliary plate and bed frame legs, then tighten until fixed;finally rotate base of bed support legs wood slats until bed frame is stable. In order to distribute weight of bed evenly, it is recommended to use 8-10 bed frame support block legs at same time. Specifications: Materials: Cold rolled steels Height: 8-12cm(3.15-4.72inch)/12-18cm(4.72-7.09inch)/18-31cm(7.09-12.2inch)/25-42cm(9.84-16.54inch) Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color. Package includes: 1Pc Adjustable Height Bed Support Legs