[Precise Height Adjustment]These adjustable bed support legs extend from 8.5 inches to 13 inches, providing versatile and precise support. the for your bed by checking the size before purchase to achieve optimal functionality and enhance your bed's . [Enhanced Bed Support]Heavy mattresses require robust support. These center support legs fortify the structural integrity of your bed, preventing slat and frame damage due to sagging, thus prolonging the life of your bed and saving you from costly repairs or replacements. [High Load Capacity]Featuring a thicker diameter for enhanced strength, our bed support legs boast a superior load capacity of up to 4400 lbs per leg. The stability is further augmented by a retaining ring that ensures a firm, non-shaking support. [Tool-Free Installation]Enjoy a stress-free setup with our non-invasive installation design. The legs adjust easily to height and are placed directly under pressure points without the need for drilling, providing a that doesn't compromise the bed's integrity. [Package Contents & Notes]Contains 4pcs adjustable bed support legs (8.5-13 inch) and 8pcs fixed rings. It's important to note that the support legs are made of plastic, not metal, and require tightening of the retaining ring after height adjustment for stability. Colour:Black Material:Plastic Size:Adjustable from 21cm-34cm Package Contents: 4x Furniture Support Legs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.