The Ezy Glide floor tool is an all plastic tool with two small wheels on each side that help it glide esaliy over your floors. This tool is recommended for hard surfaces. It also works well on harder small pile carpets found in most office spaces. Because this tool has no metal it wont rust or wear and begin to sratch your floors. If you are looking for a gentle tool for your hard floors we would recommend the Hard floor brush which is even softer on your floors.