Mattress Sliding Stopper: Experience uninterrupted sleep with 6 non-slip metal gaskets that prevent mattress shifting. Say goodbye to daily mattress adjustments and enjoy a stable sleeping surface. Adjustable and Universal: Customize the width of your mattress gripper with ease, accommodating various bed frames up to 1.38" wide. Enhance sleeping comfort and stability effortlessly. Scratch-Resistant Design: Add a piece of metal strip to lock firmly on the bed frame, while protecting your bed frame from being scratched. Recessed screws won't scratch your mattress as easily as wing screws. Easy Installation: Effortlessly set up your adjustable bed with these non-slip mattress gaskets, requiring no tools for assembly. Follow our user-friendly instructions for quick installation in minutes. Superior Durability: Crafted from thickened high-quality steel plates, these mattress gaskets boast a robust 0.12-inch thickness to withstand substantial pressure without deformation or rusting. Each pack includes 6 durable washers for long-lasting use. Item Name: Mattress Gasket Material: Metal Features: Easy to Install, Adjustable, Sliding Prevention Size Details: Size: 8.08cm x 6.6cm/3.18" x 2.6" (Approx.) Adjustable Size: 0.762cm-3.5052cm/0.3"-1.38" (Approx.) Thickness: 0.305cm/0.12" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 6 x Mattress Gaskets 1 x Hex Wrench