Description: Multifunctional High Precision Mini Bench Vise: This tool is a multifunctional, high precision bench drill machine. It's great for holding various minute hands, second hands, hour hand tubes, and can also fasten some gear tubes. It can hold small parts for punching operations and can also hold various extended or spring loaded watch crown.Premium Material: The bench drill machine watch repair tool is made of high carbon steel material, with fine texture, ensuring durability and longevity of the tool.Versatile Use: The right side of the bench drill has 3, 5, 7 holes that can accommodate different sizes of watch crown and drill with end diameters from 3mm to 4mm. It's beautifully crafted with high precision and can be used in conjunction with various bench drill.Clamped Range: The bench vise hole can be clamped range: 0.2/0.3/0.35/0.4/0.45/0.5/0.55/0.6/0.65/0.7/0.75/0.8/0.85/0.9mm. The tool comes equipped with an adjustable v regulator (110V and 220V adjustable), making it suitable for use in different power supply environments.Product Dimensions & Package Contents: The product measures a total height of 22cm/8.66inch with a base plate measuring 8cm/3.15inch. Each package includes 1 set of high precision bench drill machine. Specification: Material:High Carbon Steel Size Chart: Height: 22cm/8.66inchBottom Plate: 8cm/3.15inch Package Includes: 1 Precision Bench Drill Machine Note: Please allow slightly errors 1-2cm differences due to manual measurement.