The handpiece chuck have long service life, good heat dissipation ability make you can use it long at a time This 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 From home repairs to industrial projects, this drill chuck is suitable for various materials like metal and wood It ensures outcomes every time The grinders handle + is a special replacement for grinders, the clamping range of the chuck is 0.3-4MM The handle is stable and have great while using, professional and practical design with beautiful appearance, easy to carry and use, Manufacturer: LiRRvb