Features: Suitable for sensors, wire, motors, fuses, connectors, metal shell, lighting, electronic components, chip tin planting. No odor, environmentally friendly materials, enhances solder fluidity and contribute to solder wettability. Remove the oxides film on the welding surfaces, which is easy to weld and prevent oxidation. Perfect for electronics manufacturers, repair engineers, and diy enthusiasts, this soldering pastes caters to professional and hobbyists alike who demand excellences in their work. Experience the pinnacles of soldering precise with our soldering pastes, designing to deliver flawlessly joints without compromising on environmental safety. Specifications: Component:Solder Pastes Product size: 426a: Approx.62.5x62.5x22mm Product size: 426b: Approx.58x58x31.5mm Product size: 426c: Approx.71x71x41.5mm Name: environmentally friendly solder pastes Weight: 30/40/80g Package Includes: 1pcs Soldering Pastes note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.