Electro-magnetic industrial copper wiring Excellent for building electromagnets, motor models, soldering projects, and many other diverse electronics hobby or educational purposes Wire is 0.3mm thick in diameter Enamel insulation prevents short-circuits when winding coils for electro-magnets and motors Each spool contains length of wire measuring 10 meters

This 10 meter spool of 0.3mm diameter copper wire is excellent for building electromagnets, motor models, etc.