1.Application:welding 2.Color:silvery 3.Material:Metal 800-T-4.2D lead free soldering tips: 1.The soldering tips' raw ... life span and soldering tips can work beautiful joint point. 4.All the solder tips adopt the new plating process,corrosion ... ,800-2.4D,800-3.2D,800-3.2D,800-4.2D,800-5.2D,800-1C,800-2C,800-3C ... 800M 900M 900L T12 and special soldering tips. ULUO 800-T-4.2D soldering bits