the copper tong is specifically applied with pickling solutions, while the soldering tweezers' wooden handles assure a comfortable grip and provide hand protection from heat, serving a diverse range of users our charcoal block is distinguished by the good heat resistance and reflective properties, accelerating welding speed and reducing oxidation; They are an excellent choice for jewelry and metal product applications the jewelry soldering kit comprises 1 charcoal soldering block, and 3 reverse tweezers, comprising 1 straight soldering tweezer and 2 tweezers with angles, suitable for both beginners and experienced jewelers for efficient soldering the soldering block is about 5.51 x 2.76 x 1.26 inches, The 3 tweezers are about 5.79 inches, 5.7 inches, 6; 42 inches long respectively, offering ideal dimensions for convenient handling and suited for most handmade jewelry projects our jewelry soldering kit is capable of managing a broad range of tasks, suitable for creating, repairing, and soldering jewelry; It is a practical choice for both jewelers and hobbyists working on craft projects, whether or office, Manufacturer: Akfldms