Features: 1. STURDY STEEL MATERIAL: Adjustable furniture risers made of heavy-duty solid carbon steel, designed to support the weight of heavy furniture in your home or office. Durable construction helps prevent cracking compared to other risers. 2. SCREW CLAMP FIXING: Secure screw clamp design wraps around furniture legs to help prevent slipping and provide stability. Suitable for use with sofas, couches, tables, and desks. Easy to install. 3. ADJUSTABLE WIDTH: Adjustable width range from 1 to 3.7 cm. Available in 5 cm and 10 cm height options to suit various furniture types. 4. INCREASED HEIGHT: Adds extra clearance under furniture, creating additional storage space and allowing easier access for vacuum cleaners or robot vacuums. Also helps improve accessibility for elderly users when used with beds. 5. FLOOR PROTECTION: Smooth edges and durable build help protect hard floors from scratches, dents, and scuffs. Suitable for use on hardwood, ceramic tile, and linoleum surfaces. Specifications: Material: Plastic and Carbon Steel Color: Black, Brown Height Options: 5 cm, 10 cm Weight: 180g, 305g, 360g, 610g (varies by size) Package Included: 2 or 4 x Adjustable Furniture Risers