... :welding 2.Color:silvery 3.Material:Metal 800-T-4.2D lead free soldering tips: 1.The soldering tips' raw material ... soldering tips800-B,800-1.2D,800-2.4D,800-3.2D,800-3.2D,800-4.2D,800-5.2D,800-1C,800-2C ... 900L T12 and special soldering tips. ULUO 800-T-4.2D soldering bits