[Universal Compatibility]Suitable for soft aluminum, copper, plastic, and brake lines with diameters ranging from 3/16 inch to 1.0 inch, ideal for automotive repair, HVAC systems, and fuel line work. [Precision Straightening]Features high-quality POM rollers and dual precision bearings for smooth, kink-free straightening that maintains tube integrity without surface scratching, suitable for professional-grade surface treatment. [Quick Installation]Can be mounted on a vise in seconds or permanently fixed using built-in screw holes, saving time and improving efficiency in repair shops or home garages. [Durable Construction]Made from high-strength industrial-grade materials, resistant to wear and suitable for demanding tasks, perfect for daily use by mechanics, electricians, and HVAC technicians. [Compact Workshop Design]Lightweight and portable, easy to store or transport. Space-saving design fits in toolboxes and is convenient for on-site work with brake or fuel lines from 3/16 inch to 1.0 inch in diameter. Specifications: Material: Aluminum body with POM rollers Compatible Tube Sizes: 3/16" - 1.0" diameter Product Dimensions: 18 x 14 x 3cm