Box End Striking Wrench: 2-1/8", 12 Point, Single End MPN:1813B

The 0.315 inch inner diameter x 1.25 inch outer diameter milling chuck collet is ideal for use with CNC machines, mills or lathes, designed to hold components tightly while providing the ability to change out tool bits quickly and easily. Its construction of high-quality steel offers both durability and precision fit and its compact design ensures a snug grip on the workpiece minimizing runout. This product is most useful for manufacturing, engineering or machining professionals, where rapid yet secure changing of tools during production is essential in increasing efficiency.