Tired of struggling to move your bed for cleaning or rearranging? Or maybe your old bed frame wheels are broken or missing? This set of 6 Heavy Duty Locking Bed Frame Wheels is the solution. Each caster has a sturdy steel stem and a durable wheel, and they all feature a locking mechanism. Push the lock down, and your bed won't roll away; release it to move it easily. They come with plastic inserts that have a 1/2-inch diameter stem – this is the most common size for metal bed frames. To install, you usually just pop out the old, worn-out plastic insert (and wheel) from your bed frame leg, then pop this new caster's stem (with its new insert) right into the same hole. If the old insert is stuck, you can often just push this new caster's stem directly into the old insert. The set claims a massive total weight capacity of around 650kg (over 1400 lbs), so they can handle even heavy mattresses and sleepers. Works on both hard floors and carpet. Make your bed mobile and maintenance a breeze!