Multi purpose use Suitable for home use, workshops, or professional settings, this clamp provides support for welding jobs, woodworking projects, and more. Versatile jaw capacity This 11 inch C clamp features a maximum jaw opening of 3.5 inches (90 mm) and a locking diameter range from 2 to 3.5 inches, making it ideal for various tasks including welding, plumbing, DIY projects, home repairs, and workshop applications. Precision clamping design Equipped with four welding pads and four alignment screws, this tool ensures secure clamping and fixing for reliable performance in demanding tasks. Sturdy construction Crafted from carbon steel and alloy steel with a surface, this locking C clamp pipe and tube clamp offers exceptional durability and resistance to wear. Use scenarios Welding and metal fabrication: secure workpieces firmly during welding to maintain alignment and prevent movement. Woodworking and assembly: hold boards, frames, or components in place for accurate assembly, drilling, or gluing. Plumbing and DIY repairs: clamp pipes or fittings while cutting, soldering, or making adjustments to ensure stable work. Key attributes at a glance Function: locking C clamp with welding pads and alignment screws for stable, repeatable clamping Compatibility: suitable for welding, plumbing, DIY, home repairs, and workshop tasks Size: 11 inch clamp with up to 3.5 inch jaw opening; locking diameter range 2 to 3.5 inches Material: carbon steel and alloy steel Performance: designed for durability, secure clamping, and reliable fixing in demanding tasks