Features High strength and hardness, very easy to use It implements the external milling cutter installation and features fast changing, high precision and high rigidity. Tool holder with adjusting screw nut, adjust tool height, reduce loading time. They can be combined with the small slide and can process all types of angular workpieces. This set of tool holders and cutter holders has a wide fit and can be used for many types of mini lathes. Features: High strength and hardness, very easy to use. It implements the external milling cutter installation and features fast changing, high precision and high rigidity. Tool holder with adjusting screw nut, adjust tool height, reduce loading time. They can be combined with the small slide and can process all types of angular workpieces. This set of tool holders and cutter holders has a wide fit and can be used for many types of mini lathes. Specifications: Material: aluminum alloy Colour: Black Quantity: 4 pieces Size: approx. 5 x 5 cm/1.97 x 1.97 inch Weight approx. 319g Included: 4 x Mini Lathe Quick Change Tool Package List