Long service life and durability: These dent puller rings are made with copper plated material, offering long service life and durability. They can withstand constant use without easily wearing out or breaking. Easy and convenient: The dent puller rings measure 55 mm in length and 2 mm in thickness, providing a comfortable grip and enabling precise pulling of dents on car body panels. Anti corrosion and weather resistance: The copper plated coating provides corrosion protection. They resist rust in various weather conditions, so performance remains reliable. Spot weld straight dent pulling: These rings are designed for spot welding and straight dent pulling. They are suitable for use with spot welders and can effectively remove dents from body panels, making them suitable for body shops or DIY enthusiasts. Use scenarios: In a professional body , use with a compatible spot welder to pull dents from doors, fenders, and other panels for straight dent removal. In a DIY garage, perform precise dent pulling on car body panels with durable rings that resist rust in different conditions. On site mobile dent , rely on the rings for repeated use during spot welded dent removal to restore panel shape efficiently.