The Stoney Point Adjustable Aluminum Bore Guide is designed specifically for cleaning bore sizes ranging from .25 to .30 caliber. Made of durable aluminum, this red bore guide is adjustable and includes a bore guide for easy maintenance and upkeep on your firearm. With its 11-inch height and compact design, this bore guide is perfect for hunting and sporting enthusiasts looking to ensure their firearms are in top condition. Comes from a smoke free bug free home