Lenk Soldering Pencil For Soldering Jewelry, Mosaics & Metals This is a new lenk soldering pencil It is perfect for fine jewelry work It melts solder in 90 seconds with a tip temperature of up to 900° F The efficient mica insulated, nichrome heating element gives more stable tip temperatures and longer element life The handle gives better control and handling when soldering This tool includes a holder and instructions It runs on 25 Watts, 120V It measures approximately 8 1/4" (209 mm) long