Features: Designed for brake lines and air hoses, this heavy duty crimping tool features multiple closure apertures (4/5/7/9/11/13mm) to securely fasten various tubing sizes, ensuring versatile applications across automotive and industrial projects. Built with thickened wear resistant alloy construction, the corrosions resistant crimper delivers precise rounded crimps for leak proof connection, combining durability with professional performances in repair workshops or DIYer settings. Ideal for mechanics, maintenance technicians, and DIYer enthusiasts, its ergonomic handles and operations simplify complex crimping tasks without compromising on safety or efficiency. Tackle tubing repairs in garages, hydraulic systems installations at construction site, or pneumatic equipment adjustments in factories with this adaptable multi apertures crimping pliers. Engineered for precise and longevity, this multi Diameter crimper ensures consistent, reliabled performances on copper, aluminum, or steel tubing, making it indispensable tool for professional and hobbyists alike. Specifications: Size: 242mm/9.52inch Closed Diameter: 4/5/7/9/11/13mm Weight: 711g Component:Metal Package Includes: 1 Set Brake Line Crimping Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.