brand new and high quality Material: Copper Color: As the picture shows Using refined from pure copper and special chemicals, guarantee good use, fast, province Used in absorbing excess solder, the tin oxidation corrosion resistance, thermal conductivity, the tin effect is very good, absorb and clean How to use 1.Place the desoldering wick over the solder to be removed.then push the heated soldering iron tip onto the desoldering wick,The solder will be absorbed 2.Remove the desoldering wick after the solder has been absorbed 3.Cut off the used section of the wick using nippers 4.Repeat steps1,2 and 3 if the solder is not removed completely.Absorbability may differ depending on the type of solder.Sn63% and 60%(tin content)have good absorbability Size:3.5mmx1.5m Quantity: 1 Pc Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x 5 ft 3.5mm Desoldering Braid Solder Remover Wick CP-3515