Item Name: Tool Welding Accessory Sn/Pb Solder Seal Wire Rosin Core Tin Wire Tin Lead. Material: TinFit For: circuit board solderingColor: SilverFlux Content: 2.2%Specification: 50g 1mm100% brand new and high qualitySize : about 54 x 28mmNotice:1. The real color of the item may be slightly different from the pictures shown on the website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data. Thank for your understanding.3. 1cm=0.39''.Package Included: 1x Tin Wire Roll *Please make