BV single-core single-strand copper wire 0.3, 0.4, 0.5 mm electronic wire flying lead wire circuit board The outer skins are all made of environmentally friendly materials, and the cores are made of high-quality tinned copper with high purity and anti-oxidation. It is often used for flying leads for circuit board soldering, students doing experiments, winding coils, etc. Inner copper wire diameter: 0.3, 0.4, 0.5 mm Outer diameter: 0.8, 0.92, 1.3 mm Color: red, blue, yellow, green, black, white optional Material: Copper / Tinned copper / Oxygen-free copper Length: 0.3 is 200 meters/roll, 0.4 and 0.5 are both 100 meters/roll.
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