you can use them in refrigerators, dryers, mini-fridges and washing machines. Just move them back and forth to remove the dirt lurking under the furniture. It is no longer necessary for one person to lift the device during the assembly process and another person to put the rolling device in place. Now only one person can use the seesaw to lift the device, and it can be done easily. It can be easily removed when not in use. We recommend that you gently step on the brake when you don’t need to slide, and pull the brake down to lock the bracket. This can solve the problem of the stove sliding up when the oven door is opened.