Stable and Safe Keep your mattress in place with a set of 6 non-slip metal spacers. They tuck into the edge of the bed to provide stability and prevent slipping, reducing the need for daily adjustments and helping you enjoy a restful sleep. Wide fit and compatibility Adjustable width designed to fit a variety of bed frames. Maximum adjustable width is 96.5 cm, making the spacers suitable for most bed frames and mattress setups. Scratch protection and durability A metal strip helps hold the mattress securely in place while the countersunk head screws are designed to minimize scratches on the bed frame, offering extra durability and protection. Easy installation Install quickly and easily with the included round head hex socket screws and the small wrench. Tighten and remove with ease for convenient setup and maintenance. What you get Six non-slip metal spacers plus the corresponding round head hex socket screws and a small wrench for setup. Use scenarios 1) Busy households with restless sleepers, kids, or pets where the mattress tends to shift during sleep, reducing frequent readjustment. 2) Beds with frames where the edge is prone to slipping, helping keep the mattress aligned and stable. 3) Platform or low-profile bed frames where secure mattress alignment minimizes maintenance and improves comfort.