Features: Made of fine copper wire with tin plated for better oxidation resistance. Flexible and insulation wrap wire, tin-plated copper breadboard jumper wire for any electronic test use. Plastic spool will be provided together for better organizing. Better heat resistance, it is resistant to high temperature up to 80. Widely use for laptop, motherboard, LCD display, breadboard, electronic test and PCB soldering. Specifications: Color: Black, White, Yellow, Brown, Blue (Optional) Wire Material: Tinned copper Wrapping Material: Silicone Strand: 1 Gauge: 30AWG Copper Core Dia.: 0.25mm Wire Outer Dia.: 0.5mm Wire Length: Approx. 200 meters Temperature Resistance: 80 Weight: 179g(approx.) Package Includes: 1 Roll x Wrapping Wire