Capacitive stylus nib, and carrier. This will allow you to convert your TiBolt or TiBolt ReLeaded to both a writing instrument and stylus by simply replacing the solid titanium cap on the end with this carrier and stylus. This kit comes with three stylus nibs, a T8 Torx Driver, and one carrier (Required to make the system work.) Be careful when swapping the screws. Yes, they are tough, and machined from solid titanium. However, you are tougher, they are small. DON'T OVERTIGHTEN