Description:  5pcs 250-001 Cuniform GIB Type Quick Change Tool Post Tool Holder for Lathe Tools.     Features:  1. Accuracy -designed to ensure repetitive accuracy.  2. Quickly and easily installed on a lathe engine, bench or tower for a wide range of operations.  3. Size M10 and ideal for most mini machines, although modifications may be necessary for some machines.  (sleeve or a new center rod for a smaller hole may be necessary.)  4. Reduce installation time — instant change from one operation to another.  5. Fully interchangeable with Aloris, Dorian, Phase II, Yuasa and most of the other components of the manufacturer.  6. All working parts are accuracy and hardened.  7. Completely sealed for maintenance-free work.  8. Rotate: The unequaled rigidity of this pillar of tools and holders ensures smoother turning without chatter or vibration.  9. Drilling: the set allows you to drill with the power of your carriage, instead of manual work or tailstock.  10. Hard cuniform Tool post design, easily centered.     Specification:  Type: Cuniform type.  Material: Steel.  Color: Black.  Lathe Swing: 6-9".  Application: Turning Tool, CNC Machine Tool Accessories.  Capacity of the tool:  250-001: 1/2 " Turning Tool Holder.  Quantity: 5pcs.     Package Includes:  5 X Quick Change Tool Holder