Advance Tech Service [P] Ltd. Manufactures Tip Refresher for Removing the Hard Coated Oxidant from Tip. Advance Tech Service [P] Ltd. Received EFY Award in Soldering Desoldering category. Tip Refresher for Removing the Hard Coated Oxidant from Tip bears the model number BS-2. The hard coated oxidant from tip is removed from the tip with the help of this product, and prevents the tip from catching solder which is difficult to clean using tip cleaning sponge. It removes the oxides on tip and restore the wetting capability on the tip. Tip Refresher for Removing the Hard Coated Oxidant from Tip is very useful in lead free process as tips gets oxide-fast.