Features [Easy to operate] This quick-change tool holder has high strength and hardness and is very easy to operate [With adjusting nut] This quick-change tool holder has an adjusting nut to adjust the height of the tool and shorten the loading time. [Quick Change] This quick change tool holder realizes the installation of external tools, and has the characteristics of quick change, high precision and high rigidity. [High practicality] This quick-change tool holder can be used in combination with a small carriage and can handle workpieces of various angles. [Scope of application] This quick-change tool holder is widely applicable to various types of micro lathes. Features: High strength and hardness, very easy to operate. It implements external cutter installation, and features quick change, high precision and high rigidity. Tool holder with adjustment screw nut, adjust the height of tool, shorten the loading time. They can be combined with the small carriage, can handle all kinds of angle workpiece. Wide fitting, this set of tool post and cutter holders can be used for many type of mini lathes. Specifications: Material: Aluminum alloy Color: Black Quantity: 4pcs Size: Approx. 5 x 5cm/ 1.97 x 1.97inch Weight: Approx. 319g Package Included: 4 x Mini Lathe Quick Change Tool Package List