Features Easy to install Good rigidity high precision machining Durble and long service life 1 4 3 8 Inch 20x25x50mm Turning and Facing Holder for Quick Change Tool Post HolderThis is Mini Quick Change Tool Holder Tool Accessories if you need tool post please click here Mini Quick Change Tool Post Holder Kit Set For Table Hobby LathesSpecification Material AluminumSize 1 4 3 8 Inch 20x25x50mmQuantity 1pcsPackage Included 1 x Turning and Facing Holder