This style of musket wrench is known as the M1842 and was intended for issue with the M1842 muskets and rifled muskets as well as earlier pattern conversion muskets. With 2 screwdriver blades. This was carried in the implement pouch of the cartridge box and is the only tool needed to disassemble any rifle. A must for any authentic musket kit. Wrench end may require filing to fit cones, screwdriver ends may need to be filed to fit screws.