Metal Quick Change Tool Post Lathe Holder Wedge Steel Turning CNC Machine Set. Accuracy: designed to ensure repetitive accuracy. Quickly and easily installed on a lathe engine, bench or tower for a wide range of operations. Reduce installation time: instant change from one operation to another. All working parts are accurate and hardened. Completely sealed for maintenance-free work. Rotate: the unequaled rigidity of this pillar of tools and holders ensures smoother turning without chatter or vibration. Drilling: allows you to drill with the power of your carriage, instead of manual work or tailstock. Hard cuniform tool post design, easily centered. Specifications: Material: steel Color: black Lathe swing: 6-9″ Application: turning tool Usage: CNC machine tool accessories Type: 250-000, 250-001, 250-002, 250-004, 250-007, 250-010 (optional) Capacity of the tool: 250-000: 1/2″ cuniform type tool post 250-001: 1/2″ turning tool holder 250-002: 1/2″ boring, turning tool holder 250-004: 3/8″ and 1/2″ heavy duty boring bar holder 250-007: 1/2″ parting blade tool holder 250-010: 1/2″ knurling and turning tool holder Usages: 250-001: quick tool change holder for lathe cutting tool bits, range up to 1/2 inch. This holder is suitable for working with cuniform type 250-000. 250-002: V groove hold round shank boring bars and tools as well as square tool bits to machine end face, external, cutting, boring, etc. 250-004: use straight shank drilling and reaming, boring, etc. Equipped with a split bushing to accommodate a boring bar of small diameter. It grips with extreme rigidity. Cuts smoothly without chatter. 250-007: use square tool to make slot cut off etc. 250-010: it may be used for knurling, if square tool is used, it may process end face, extered cutting, boring etc. There may be some delays due to flight, holiday, weather, local post, local natural disaster impact. It must also be in the original packaging.