This is the same type of flute burning tool that we use here in the shop to burn the "track area" of our flutes. It is a great way to create the track area and as a added bonus, the other end of it can be used to burn 1/4" finger holes as well as the mouthpiece area! I've been using this type of rod to make my flute track areas for most of my flute-making career and it works great. Carbonization will take place after time and the tip will need to be reground, though usually ours lasts for several hundred flutes before that happens. It's about 16" long which helps the heat dissipate so the "handle area" takes a little while to get hot. Care and caution in handling is required so be sure to use gloves, goggles and/or other protective gear! Check out some of our videos on how to use it and others on our YouTube channel. Each include cheap domestic shipping within the USA and its territories as well as super inexpensive global shipping. See our shipping page for more info.