ITEM NAME:5pcs Solder Remover Wick Desoldering Braid Wick Wire Solder Accessories A#S Product Description Description: Model and Width: HWY-1515 1.5mm HWY-2015 2.0mm HWY-2515 2.5mm HWY-3015 3.0mm HWY-3515 3.5mm Length: approx. 1.5 m/4.92 ft 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 Note: Do not force the tip to remove the core to avoid damage to yourself or PCB parts. Do not remove the heating cores for than 5 seconds to avoid damage to parts and PCB. Only touch grip strength and wick removal when unpacking. In order to avoid fire, do not use soldering iron to remove the surrounding fuel or the wick in explosive environment. Included: 5 X Desoldering Wicks.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. Remove the desoldering wick after the solder has been absorbed.