The OEMTOOLS 25440 Tube Bender Pliers are designed for bending 5/16 and 3/8 tubing, making them ideal for HVAC, brake lines, and fuel lines. With a limited lifetime warranty and a size of 10.5 inches, these pliers are durable and reliable for various automotive repair and maintenance tasks. Manufactured in China by OEMTOOLS, this single item set ensures precision and ease in bending tubes for a perfect fit.