Best for Professional use - too difficult to control when using it on yourself. [SEP] 3 stars for self handling<br />5 stars for power<br />This is a very powerful tool and will remove any type of callus.<br />When considering this tool, realize that it is very difficult to control - press too hard and it either jumps away or possibly burn your skin, too little pressure and it still jumps away. There is a perfect touch and once found, the tool works great.<br />Orbital sanders can be engineered correctly to eliminate jumping and can be designed to use in any direction, but it costs money and I feel this tool is best used by a professional on a client than it is to try and use it on yourself. Having said that, some of the roller types work really well, except they lack power - but that is probably to prevent burning.<br />Consider lightly lubricating your feet before using this tool.