Welcome to our shop! Made from high-quality plastic, the surface is smooth, not rough, durable, and perfect for nail technicians and beginners. Nails don't fall off easily, perfect for use with acrylic nails. We've included detailed instructions on how to replace nails; check the images. This nail training practice hand features a flexible joint and bendable arm, just like a real human hand. You can adjust the finger angle to meet your needs. The bottom base is adjustable, allowing you to install it on various nail tables, perfect for use in nail art school. Satisfaction Guaranteed: Our customers are our top priority. If you encounter any problems with the product after receiving it, such as damage or incorrect quantity, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.