【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