Description: 【Easy Installation】: No drilling required. Simply twist the Bed Frame Anti Shaking Tools to install or remove. Effortlessly adjustable, even for women, making bed stabilization quick and easy. 【Adjustable Height】: Freely rotate Headboard Stoppers to increase or decrease the height, allowing you to adjust the fit for your bed and wall 【Strong Load Bearing】: Crafted from high density alloy material, these headboard stabilizers offer exceptional strength and stability. They resist deformation under pressure and keep your bed firmly 【Anti Slip & Noise Reduction】: Enhanced anti slip design of the Headboard Stoppers effectively reduces shaking and noise, ensuring a quiet and restful sleep environment by securing your headboard tightly 【Sturdy& Premium】: The Bed Stoppers feature advanced waterproof and multi layer rustproof technology, making it suitable for humid environments Specification: Material: Alloy Size Chart:Diameter: 3.8cm/1.50inch Adjustable Height: 2.9cm-3.5cm/1.14inch-1.38inch Package Includes: 4 Adjustable Threaded Bed Frame Anti Shaking Tools Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.