Keep your mattress securely in place with this practical 6-pack of mattress grippers designed for metal bed frames. These sturdy holders feature an adjustable width that accommodates frame rails from 0.3 to 1.38 inches thick, making them compatible with most standard bed frames. Each gripper measures 2.95 inches in height and extends 3.15 inches from the frame, providing reliable support to prevent mattress sliding and shifting during use. The set includes six individual grippers with dual-screw tightening mechanisms for enhanced stability, plus an installation tool for easy setup. The durable black finish complements any bed frame while offering long-lasting performance. These mattress holders are an ideal solution for anyone dealing with annoying mattress movement, especially on smooth-surfaced bed frames. Simple to install and adjust, these grippers help maintain your mattress position for a more comfortable night's sleep. 【Mattress Slide Stopper Adjustable Size】 The width of the mattress slide stopper can be adjusted,Suitable for bed frames or box springs with bed tube width of 0.4"-1.3" (except round tube). 【 Stabilize Your Mattress】 6-pack of non-slip metal gaskets, The metal pad grippers can effectively hold mattress in place on the bed frame and keep your mattress topper from sliding. Say goodbye to the hassle of adjusting your mattress every day and build up a safe and cozy sleeping environment for your family. EASY INSTALLATION: The mattress holder is very easy to install. Simply place the metal bar over the washer, place the pad close to the bed frame and insert the two screws, a small spanner is included with the product. Tighten the screws with the small spanner and you have a firm and non-slippery mattress. Avoid Scratching: mattress slide stoppers are equipped with a piece of metal strip. It makes you no need to drill holes and can securely lock on the bed frame, while protecting both the mattress and frame from scratching. 【IMPORTANT TIPS】 The non slip mattress gripper not applicable to circular tube bed frames. Please face the screws towards the inside of the bed frame when using. This product is mattress gaskets only.