ReFaxi&reg; Mini Gas Blow Torch Soldering Solder Iron Gun Butane Cordless Woolelding Pen Brand new and high quality. Cordless device, no electricity or batteries required for operation. Multi function melt silver and gold solder, small brazing rods, and many other materials (gold, silver, copper, tin, aluminum). Portable pocket sized, lightweight and convenient. Package Included: 1 x Gas Blow Torch Butane Pen