The Thompson Center Muzzleloader Cleaning Jag (10/32 Thread) for .54 & .56 Cal is crafted from high-quality, non-marring solid brass. This material ensures the jag won't scratch or damage the interior of your muzzleloader. Designed with deep grooves, it holds patches securely, allowing for an efficient and thorough cleaning process. Maintain the performance and longevity of your firearm with this durable and reliable cleaning jag.