The Titania Callus Rasp 3012 is a professional-grade foot care tool made of high-quality stainless steel. This durable foot file features a textured metal surface designed to effectively and safely remove hard skin and calluses from feet. As this is a personal hygiene product used for foot care, additional details about features and usage instructions should be consulted in the product packaging or manual. The stainless steel construction ensures the tool can be properly sanitized between uses.