It is manufactured by HSK Tool Holder Company and can be used for various applications in CNC, metalworking, and manufacturing industries. The wrench is sold as a single unit. This tool is an essential addition to any workshop that requires precision and accuracy in their work. It provides a secure grip and allows for easy tightening and loosening of the collet nut. The quality of the wrench ensures that it will last for a long time and can withstand heavy usage.