Features: brand new and high quality. Insures smoother turning without chatter or vibration. Made with advanced technology, high quality stainless steel, sturdy and durable.It is easy to install and to use. Quick change tool post sets advanced design provides built-in quick tool changing versatility with positive rigidity to meet the most exacting working tolerances. The package includes 1x basic body, 3x steel holder AaD 1250, 1x steel holder AaH 1250, 1x wrench and 1x square for key. The use of multiple toolholders form an artificial tool magazine, can repeat replace toolholder. Specifications: Material: Stainless Steel Size: Mixed Package Includes: 1 Set Stainless Steel Lathe Quick Change Tool Post note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!