Features: Brand new and high qualityThis product is required to be used on a flexible shaft with a detachable handle such as table mill, a drill shaft. It cannot be used alone.The handle is stable and have great performances while using,professional and practical design with beautiful appearance, easy to carry and use.The handpiece chuck have long service life,good heat dissipation ability make you can use it long at a time.The grinders handle + key is a special replacement for grinders,the clamping range of the chuck is 0.3-4MM.From home repairs to industrial projects, this drill chuck is suitable for various materials like metal and wood. It ensures exceptional outcomes every time.Specifications: Material:AlloyLength:Approx.14cm/5.51inchPackage Includes: 1 Set Handpiece Chucknote: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.