2 meters of lead free solder, perfect for assembling kits. 97.1% Tin, 2.6% Silver, 0.3% copper. Added to 2.2% no-clean flux and drawn out to 0.5mm diameter. Has a lower melting temperature (217 °C) than most lead free solder (~227 °C) which can make soldering easier, especially with low wattage irons. Please ensure adequate ventilation and safety whilst soldering.