Replacement Grinding Heads: This electric callus remover replacement kit includes 2 coarse grinding heads, 2 medium grinding heads, and 2 fine grinding heads, suitable for removing thick calluses, corns, and performing fine polishing, accurately meeting various foot care needs. Compatibility: Please confirm your model before purchasing. This kit is designed for electric callus removers and most electric foot care tools. Check the product images before purchasing to confirm compatibility with your product model. [Quick Replacement] Replacing the grinding heads is a simple three-step process: \"Press the button → Remove the old grinding head → Install the new grinding head.\" No complicated tools are needed; replacement can be completed in seconds. Whether you are an experienced user or a beginner, it is easy to operate, keeping your foot care tools always organized. Washable and Reusable: Made of easy-to-clean, durable, and reusable materials. After grinding, simply rinse with water and air dry to clean again. Reuse does not affect the effect of callus removal. Gentle Callus Removal: The high-quality grinding heads gently remove calluses and rough cuticles with even pressure, without scratching or irritating the skin. It can protect the delicate skin of the feet, and regular use can make the feet smooth and delicate.