Many different sizes, good quality, best price, Many different sizes, good quality, best price, durable. Specification: 0.8mm, 1.2mm, 1.6mm, 2.5mm, 3.2mm, 4.0mm. Many different welding rods: Such as brass welding rod, aluminum welding rod, stainless steel welding rod, cast iron welding rod, nickel welding rod, electrode and so on. Welcome to contact me!