This high-quality turning pin is designed for use with nail drill machines. It is made of high-speed steel and precision ground for smooth and accurate rotation. The shank is 2.35mm in diameter and 10mm long, and the overall length of the turning pin is 12mm. The turning pin has a high speed of 35,000 RPM, making it ideal for use with various types of nails and drilling applications. This product is compatible with most major brands of nail drill machines, and it is easy to install and use. It is also designed for long-lasting use and is built to withstand the rigors of daily use. If you are looking for a high-quality turning pin for your nail drill machine, this product is an excellent choice.