Functions: 1. It is made of solid metal and provided with a special anti glare treatment to reduce eye strain. 2. It has a self centering jaw system and an adjustable internal braking system that allows the user to select the amount of rotational . 3. Professional clamp for holding and securing rings or other small objects in different positions during machining. 4. The moving pins can also pin irregularly shaped parts or pinch rings from the inside , so you can perform the entire process without having to move and re pin the object. 5. The spherical base is firm and stable , and the angle can be adjusted freely , which is convenient to work. Specification: Condition: brand new Item Type: Jewelry , the addition MakeMaterial: Metal Color: As pictures shown , Package list: 1 * retaining clip 2 * Allen key 6 * Short black screw 4 * Short White Accessories 2 * Double End White Accessories 2 * Short Orange Accessories 2 * Long Orange Accessories 2 * Cone accessories