The ER-10 Electrode Rod is a vital tool for any fiber optic welder, especially Type-39/81C/400S+/600C splicers. Made with high-strength, corrosion-resistant tungsten tips, it offers enhanced durability and long splice life. Each rod comes with 4pcs, ensuring ample flexibility and efficient use. Its compact design and lightweight build make it easy to carry and store, making it an indispensable addition to your soldering tool kit. With a 4000+ splice life guarantee, this ER-10 Electrode Rod is a reliable choice for demanding fiber optic projects.